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Impulse (physics)

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883: 29: 1724: 896: 1524: 1719:{\displaystyle {\begin{aligned}\mathbf {J} &=\int _{t_{1}}^{t_{2}}{\frac {\mathrm {d} \mathbf {p} }{\mathrm {d} t}}\,\mathrm {d} t\\&=\int _{\mathbf {p} _{1}}^{\mathbf {p} _{2}}\mathrm {d} \mathbf {p} \\&=\mathbf {p} _{2}-\mathbf {p} _{1}=\Delta \mathbf {p} ,\end{aligned}}} 1876: 1271: 1126: 1516: 1424: 1763: 1041: 1230: 169: 237: 261: 1759:
As a result, an impulse may also be regarded as the change in momentum of an object to which a resultant force is applied. The impulse may be expressed in a simpler form when the mass is constant:
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A large force applied for a very short duration, such as a golf shot, is often described as the club giving the ball an
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The application of Newton's second law for variable mass allows impulse and momentum to be used as analysis tools for
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so that the change in momentum produced by the force happens with no change in time. This sort of change is a
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defines the impulse of a wave collision. The preservation of momentum in the collision is then called
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states that the rate of change of momentum of an object is equal to the resultant force
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Physics for Scientists and Engineers: Mechanics, Oscillations and Waves, Thermodynamics
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unit of momentum is the kilogram metre per second (kg⋅m/s). The corresponding
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is the speed upon impact. To the extent that it bounces back with speed
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is the final velocity of the object at the end of the time interval, and
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is the initial velocity of the object when the time interval begins.
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The term "impulse" is also used to refer to a fast-acting force or
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Integral of a comparatively larger force over a short time interval
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Mathematical derivation in the case of an object of constant mass
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See, for example, section 9.2, page 257, of Serway (2004).
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are times when the impulse begins and ends, respectively,
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of an object. If the initial momentum of an object is
2832: 2136:(12th ed.). Pearson Prentice Hall. p. 222. 1766: 1527: 1470: 1361: 1193: 1144: 1065: 994: 196: 129: 118: 107: 79: 58: 42: 21: 2847: 2171: 2129: 1870: 1718: 1510: 1418: 1224: 1170:{\displaystyle \mathbf {J} =\mathbf {F} \Delta t.} 1169: 1120: 1035: 231: 163: 2117:Property Differences In Polymers: Happy/Sad Balls 1179:The impulse delivered by a varying force is the 1049:quantity, so impulse is also a vector quantity. 2239: 2039:expended, to create a performance parameter, 921: 8: 2170:Serway, Raymond A.; Jewett, John W. (2004). 2099:, mathematical abstraction of a pure impulse 1734:is the change in linear momentum from time 1282:The impulse delivered by the "sad" ball is 2246: 2232: 2224: 1942:Impulse has the same units and dimensions 1309:, the "happy" ball delivers an impulse of 928: 914: 175: 27: 2834: 2833: 2831: 1858: 1853: 1840: 1835: 1824: 1810: 1809: 1804: 1796: 1791: 1784: 1779: 1767: 1765: 1704: 1692: 1687: 1677: 1672: 1656: 1651: 1643: 1638: 1636: 1629: 1624: 1622: 1600: 1599: 1588: 1581: 1576: 1573: 1565: 1560: 1553: 1548: 1532: 1528: 1526: 1494: 1487: 1482: 1479: 1471: 1469: 1405: 1404: 1399: 1391: 1386: 1379: 1374: 1362: 1360: 1211: 1210: 1205: 1194: 1192: 1153: 1145: 1143: 1098: 1093: 1083: 1078: 1074: 1066: 1064: 1024: 1019: 1009: 1004: 995: 993: 213: 207: 198: 197: 195: 152: 146: 145: 138: 137: 131: 130: 128: 2266: 2109: 247: 183: 2043:. This fact can be used to derive the 147: 139: 132: 18: 980:, the object has received an impulse 610:Newton's law of universal gravitation 7: 2174:Physics for Scientists and Engineers 1433:is the resultant force applied from 591:Mechanics of planar particle motion 199: 1821: 1811: 1701: 1652: 1601: 1589: 1577: 1495: 1483: 1406: 1212: 1158: 1106: 14: 2001:. This type of impulse is often 1859: 1855: 1841: 1837: 1825: 1805: 1768: 1705: 1688: 1673: 1657: 1639: 1625: 1582: 1533: 1488: 1472: 1400: 1363: 1206: 1195: 1154: 1146: 1094: 1079: 1067: 1020: 1005: 996: 895: 894: 881: 214: 2270:Linear/translational quantities 2197:(5th ed.). W. H. Freeman. 1890:is the resultant force applied, 1458:, force is related to momentum 971:, and a subsequent momentum is 1262:-foot per second (slug⋅ft/s). 1: 2275:Angular/rotational quantities 2178:(6th ed.). Brooks/Cole. 2128:Hibbeler, Russell C. (2010). 1948:International System of Units 1053:Newton’s second law of motion 517:Koopman–von Neumann mechanics 1256:British Gravitational System 1254:-second (lbf⋅s), and in the 1134:delivered by a steady force 585:Non-inertial reference frame 2045:Tsiolkovsky rocket equation 512:Appell's equation of motion 382:Inertial frame of reference 3272: 3251:Vector physical quantities 2848:{\displaystyle {\dot {m}}} 2272: 2020: 1916:is the mass of the object, 2546:specific angular momentum 2274: 2269: 2264: 1972:English engineering units 26: 2067:. Applications include: 1248:English engineering unit 1244:dimensionally equivalent 675:Rotating reference frame 507:Hamilton–Jacobi equation 2670:rotational acceleration 2081:Acousto-optic modulator 1238:unit of impulse is the 1138:acting for time Δt is: 616:Newton's laws of motion 476:Newton's laws of motion 2849: 1872: 1720: 1512: 1420: 1327: 1226: 1187:with respect to time: 1171: 1122: 1059:acting on the object: 1037: 643:Simple harmonic motion 556:Euler's laws of motion 350:D'Alembert's principle 233: 165: 3256:Mechanical quantities 2850: 2193:Tipler, Paul (2004). 2132:Engineering Mechanics 2061:Wave–particle duality 2021:Further information: 1873: 1721: 1513: 1421: 1281: 1227: 1172: 1123: 1038: 497:Hamiltonian mechanics 315:Statistical mechanics 234: 166: 2830: 2680:angular acceleration 2452:angular displacement 2097:Dirac delta function 1946:as momentum. In the 1764: 1525: 1468: 1359: 1191: 1142: 1063: 992: 720:Angular acceleration 712:Rotational frequency 492:Lagrangian mechanics 485:Analytical mechanics 241:Second law of motion 194: 127: 3246:Classical mechanics 2770:weighted position: 2587:rotational velocity 2535:kinematic viscosity 2255:Classical mechanics 1803: 1754:work-energy theorem 1650: 1572: 1456:Newton's second law 1398: 1336:produced from time 958:) is the change in 942:classical mechanics 572:Harmonic oscillator 550:Equations of motion 185:Classical mechanics 179:Part of a series on 2845: 1868: 1775: 1716: 1714: 1618: 1544: 1508: 1416: 1370: 1328: 1258:, the unit is the 1222: 1167: 1118: 1033: 888:Physics portal 502:Routhian mechanics 377:Frame of reference 229: 161: 96:in SI base units, 3233: 3232: 3228: 3227: 2842: 2795:moment of inertia 2143:978-0-13-607791-6 1597: 1503: 1354:is defined to be 1279: 1113: 938: 937: 685:Centrifugal force 680:Centripetal force 636:Euler's equations 621:Relative velocity 397:Moment of inertia 227: 201: 174: 173: 3263: 3220: 3216: 3204: 3200: 3180: 3176: 3164: 3160: 3138: 3134: 3124: 3114: 3099: 3095: 3085: 3063: 3059: 3049: 3039: 3024: 3020: 3007: 2983: 2977: 2969: 2958: 2952: 2941: 2934:angular momentum 2919: 2913: 2905: 2890: 2884: 2874: 2861: 2855: 2854: 2852: 2851: 2846: 2844: 2843: 2835: 2808: 2802: 2786: 2763: 2744: 2739: 2717: 2695: 2689: 2672: 2656: 2634: 2628: 2619:angular velocity 2616: 2597: 2596: 2583: 2582: 2575:rotational speed 2571: 2570: 2553: 2542: 2527: 2517: 2498: 2497: 2480: 2475: 2461: 2449: 2429: 2410: 2409: 2403: 2397: 2386: 2360: 2340: 2325: 2309: 2302: 2267: 2248: 2241: 2234: 2225: 2208: 2189: 2177: 2157: 2154: 2148: 2147: 2135: 2125: 2119: 2114: 2076:Nonlinear optics 2041:specific impulse 2023:Specific impulse 1993: 1984: 1969: 1960: 1945: 1937: 1926: 1915: 1909: 1900: 1889: 1878: 1875: 1874: 1869: 1864: 1863: 1862: 1846: 1845: 1844: 1828: 1814: 1808: 1802: 1801: 1800: 1790: 1789: 1788: 1771: 1751: 1742: 1733: 1726: 1723: 1722: 1717: 1715: 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3104: 3073: 3071: 3068: 3029: 3017: 2997: 2995: 2991: 2990: 2961: 2931: 2929: 2926: 2897: 2864: 2841: 2838: 2823:Mass flow rate 2820: 2816: 2815: 2813: 2811: 2792: 2789: 2787: 2768: 2753: 2749: 2748: 2746: 2727: 2725: 2722: 2720: 2707: 2705: 2701: 2700: 2698: 2677: 2666: 2663: 2661: 2646: 2644: 2640: 2639: 2637: 2606: 2559: 2556: 2532: 2507: 2486: 2482: 2481: 2466: 2439: 2437: 2434: 2419: 2376: 2374: 2370: 2369: 2367: 2365: 2350: 2347: 2345: 2330: 2315: 2311: 2310: 2303: 2296: 2293: 2290: 2287: 2284: 2281: 2277: 2276: 2273: 2271: 2265: 2262: 2261: 2253: 2251: 2250: 2243: 2236: 2228: 2222: 2221: 2214: 2213:External links 2211: 2210: 2209: 2203: 2190: 2184: 2165: 2162: 2159: 2158: 2149: 2142: 2120: 2108: 2107: 2105: 2102: 2101: 2100: 2093: 2092: 2091: 2090: 2083: 2078: 2073: 2071:Compton effect 2065:phase matching 2056: 2053: 2018: 2015: 1940: 1939: 1934: 1928: 1923: 1917: 1911: 1906: 1897: 1891: 1867: 1861: 1857: 1852: 1849: 1843: 1839: 1834: 1831: 1827: 1823: 1820: 1817: 1813: 1807: 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2375: 2372: 2371: 2368: 2366: 2364: 2359: 2354: 2351: 2348: 2346: 2344: 2339: 2334: 2331: 2329: 2324: 2319: 2316: 2313: 2312: 2308: 2304: 2301: 2297: 2294: 2291: 2288: 2285: 2282: 2279: 2278: 2268: 2263: 2259: 2256: 2249: 2244: 2242: 2237: 2235: 2230: 2229: 2226: 2220: 2217: 2216: 2212: 2206: 2204:0-7167-0809-4 2200: 2196: 2191: 2187: 2185:0-534-40842-7 2181: 2176: 2175: 2168: 2167: 2163: 2153: 2150: 2145: 2139: 2134: 2133: 2124: 2121: 2118: 2113: 2110: 2103: 2098: 2095: 2094: 2088: 2084: 2082: 2079: 2077: 2074: 2072: 2069: 2068: 2066: 2062: 2059: 2058: 2054: 2052: 2050: 2046: 2042: 2038: 2034: 2030: 2024: 2017:Variable mass 2016: 2014: 2012: 2008: 2004: 2000: 1995: 1992: 1988: 1982: 1978: 1973: 1968: 1964: 1958: 1954: 1949: 1933: 1929: 1922: 1918: 1912: 1905: 1896: 1892: 1888: 1884: 1883: 1882: 1879: 1877: 1865: 1850: 1847: 1832: 1829: 1818: 1815: 1797: 1793: 1785: 1781: 1776: 1772: 1757: 1755: 1747: 1738: 1732: 1725: 1709: 1698: 1693: 1683: 1678: 1668: 1666: 1644: 1630: 1619: 1615: 1613: 1605: 1593: 1566: 1562: 1554: 1550: 1545: 1541: 1539: 1518: 1505: 1499: 1476: 1462: 1457: 1452: 1446: 1437: 1431: 1425: 1413: 1410: 1392: 1388: 1380: 1376: 1371: 1367: 1349: 1340: 1334: 1321: 1317: 1313: 1304: 1295: 1286: 1265: 1263: 1261: 1257: 1253: 1249: 1245: 1241: 1240:newton second 1237: 1232: 1219: 1216: 1202: 1199: 1183:of the force 1182: 1177: 1164: 1161: 1150: 1128: 1115: 1109: 1099: 1089: 1084: 1071: 1054: 1050: 1048: 1043: 1030: 1025: 1015: 1010: 1000: 987: 984: 975: 966: 961: 957: 952: 947: 943: 931: 926: 924: 919: 917: 912: 911: 909: 908: 902: 892: 889: 884: 878: 877: 876: 875: 867: 864: 862: 859: 857: 854: 852: 849: 847: 844: 842: 839: 837: 834: 832: 829: 827: 824: 822: 819: 817: 814: 812: 809: 807: 804: 802: 799: 797: 794: 792: 789: 787: 784: 782: 779: 777: 774: 772: 769: 767: 764: 762: 759: 757: 754: 752: 749: 748: 741: 740: 733: 729: 725: 721: 718: 717: 713: 710: 708: 705: 703: 700: 698: 695: 691: 688: 687: 686: 683: 681: 678: 676: 673: 671: 668: 667: 663: 658: 657: 649: 646: 644: 641: 637: 634: 632: 629: 628: 627: 624: 622: 619: 617: 614: 612: 607: 604: 600: 597: 596: 592: 589: 586: 582: 578: 577: 573: 570: 568: 565: 563: 560: 558: 553: 551: 548: 546: 543: 541: 538: 537: 530: 529: 518: 515: 513: 510: 508: 505: 503: 500: 498: 495: 493: 490: 489: 487: 486: 481: 478: 477: 472: 471: 465: 464: 456: 453: 451: 448: 446: 443: 441: 438: 436: 433: 431: 428: 426: 423: 421: 417: 415: 412: 410: 406: 404: 401: 398: 394: 390: 388: 385: 383: 380: 378: 375: 373: 370: 366: 363: 361: 358: 357: 356: 353: 351: 348: 346: 343: 341: 338: 336: 333: 332: 325: 324: 316: 313: 311: 308: 306: 303: 301: 298: 296: 293: 291: 288: 286: 283: 281: 278: 277: 270: 269: 263: 260: 258: 255: 253: 250: 249: 246: 242: 223: 220: 210: 204: 190: 189: 186: 182: 178: 177: 156: 153: 123: 121: 117: 113: 110: 106: 103: 99: 95: 91: 87: 84: 78: 74: 70: 66: 65:newton-second 63: 61: 57: 54: 50: 47: 41: 36: 30: 25: 20: 3213: 3197: 3173: 3157: 3131: 3121: 3111: 3092: 3081: 3080: 3056: 3046: 3036: 3014: 3004: 2949: 2938: 2881: 2876: 2871: 2799: 2783: 2780: 2776: 2772: 2760: 2735: 2734: 2730:angular jerk 2714: 2685: 2684: 2653: 2649:acceleration 2624: 2623: 2613: 2592: 2591: 2579: 2567: 2550: 2539: 2524: 2514: 2494: 2457: 2456: 2446: 2426: 2413:displacement 2406: 2400: 2394: 2383: 2357: 2337: 2322: 2306: 2299: 2194: 2173: 2164:Bibliography 2152: 2131: 2123: 2112: 2026: 2002: 1996: 1950:, these are 1941: 1931: 1920: 1903: 1894: 1886: 1880: 1758: 1745: 1736: 1730: 1519: 1460: 1453: 1444: 1435: 1429: 1347: 1338: 1332: 1329: 1319: 1315: 1311: 1302: 1293: 1284: 1233: 1178: 1129: 1051: 1044: 988: 982: 973: 964: 955: 950: 945: 939: 730: / 726: / 724:displacement 722: / 583: / 545:Displacement 483: 474: 468:Formulations 455:Virtual work 395: / 386: 335:Acceleration 328:Fundamentals 60:SI unit 52: 48: 34: 2470:solid angle 2007:step change 1974:, they are 1520:Therefore, 866:von Neumann 533:Core topics 81:Other units 3240:Categories 3205:m s, N m s 3181:m s,  3127:Lagrangian 3052:Lagrangian 2292:Dimensions 2280:Dimensions 2089:scattering 2049:mass ratio 2037:propellant 801:d'Alembert 781:Maupertuis 744:Scientists 626:Rigid body 300:Kinematics 3221:ms,  2840:˙ 2563:frequency 2490:frequency 2085:Electron 2003:idealized 1848:− 1822:Δ 1777:∫ 1702:Δ 1684:− 1620:∫ 1546:∫ 1372:∫ 1203:∫ 1159:Δ 1107:Δ 1090:− 1016:− 846:Liouville 728:frequency 648:Vibration 365:potential 290:Continuum 285:Celestial 262:Textbooks 154:− 120:Dimension 109:Conserved 3165:m s, N s 2988:J s 2984:m s 2959:m s 2920:m s 2891:m s 2867:momentum 2520:velocity 2390:position 2379:distance 2333:absement 2258:SI units 2219:Dynamics 2055:See also 1330:Impulse 1291:, where 1181:integral 960:momentum 901:Category 826:Hamilton 811:Lagrange 806:Clairaut 771:Horrocks 732:velocity 702:Pendulum 690:reactive 662:Rotation 631:dynamics 581:Inertial 567:Friction 450:Velocity 425:Momentum 305:Kinetics 295:Dynamics 273:Branches 257:Timeline 3193:rotatum 2972:actergy 2908:actergy 2877:impulse 2797::  2548::  2478:rad, sr 1250:is the 946:impulse 861:Koopman 821:Poisson 816:Laplace 761:Huygens 756:Galileo 601: ( 540:Damping 393:Inertia 387:Impulse 360:kinetic 310:Statics 280:Applied 252:History 35:impulse 22:Impulse 3107:energy 3088:moment 3076:torque 3032:energy 3010:weight 2982:  2964:action 2957:  2918:  2900:action 2889:  2860:  2807:  2779:⟩ = ∑ 2743:  2694:  2633:  2201:  2182:  2140:  2087:phonon 2033:rocket 1999:impact 1881:where 1727:where 1427:where 1314:Δ 1047:vector 899:  851:Appell 836:Cauchy 831:Jacobi 776:Halley 766:Newton 751:Kepler 603:linear 599:Motion 445:Torque 420:Moment 355:Energy 345:Couple 3209:power 3169:power 3139:m s, 3100:m s, 3064:m s, 3025:m s, 3000:force 2510:speed 2442:angle 2104:Notes 2031:- or 1970:. In 1944:(MLT) 1454:From 1252:pound 856:Gibbs 841:Routh 796:Euler 435:Speed 430:Space 372:Force 3153:yank 3117:work 3042:work 2756:mass 2710:jerk 2422:area 2353:time 2318:time 2199:ISBN 2180:ISBN 2138:ISBN 1981:ft/s 1977:slug 1901:and 1260:slug 1234:The 440:Time 403:Mass 3187:MLT 3102:N m 3070:MLT 3023:kg 2928:MLT 2924:J s 2895:N s 2741:rad 2719:m s 2692:rad 2659:m s 2631:rad 2555:m s 2530:m s 2464:rad 2343:m s 2029:jet 1987:lbf 1957:m/s 1756:). 1743:to 1464:by 1442:to 1345:to 1318:= 2 956:Imp 954:or 940:In 114:yes 98:lbf 53:Imp 3242:: 3219:kg 3211:: 3203:kg 3195:: 3179:kg 3171:: 3163:kg 3155:: 3147:MT 3137:kg 3129:: 3125:, 3119:: 3115:, 3109:: 3098:kg 3090:: 3086:, 3078:: 3062:kg 3054:: 3050:, 3044:: 3040:, 3034:: 3012:: 3008:, 3002:: 2994:MT 2986:, 2980:kg 2974:: 2970:, 2968:𝒼 2966:: 2955:kg 2946:: 2942:, 2936:: 2922:, 2916:kg 2910:: 2906:, 2904:𝒼 2902:: 2893:, 2887:kg 2879:: 2875:, 2869:: 2858:kg 2825:: 2819:MT 2805:kg 2791:ML 2766:kg 2758:: 2732:: 2712:: 2682:: 2651:: 2621:: 2617:, 2611:: 2604:Hz 2602:, 2589:: 2584:, 2577:: 2572:, 2565:: 2537:: 2522:: 2518:, 2512:: 2505:Hz 2503:, 2492:: 2472:: 2454:: 2450:, 2444:: 2424:: 2411:, 2404:, 2398:, 2392:: 2387:, 2381:: 2355:: 2335:: 2320:: 2051:. 1994:. 1953:kg 1451:. 1320:mv 1285:mv 1236:SI 986:: 944:, 86:kg 51:, 3223:W 3214:P 3198:P 3183:W 3174:P 3158:Y 3141:J 3132:L 3122:W 3112:E 3093:M 3082:τ 3066:J 3057:L 3047:W 3037:E 3027:N 3018:g 3015:F 3005:F 2976:â„” 2950:L 2948:Δ 2939:L 2912:â„” 2882:J 2872:p 2862:s 2837:m 2809:m 2800:I 2784:x 2781:m 2777:x 2775:⟹ 2773:M 2761:m 2752:M 2745:s 2736:ζ 2724:T 2715:j 2704:T 2696:s 2686:α 2675:s 2665:T 2654:a 2643:T 2635:s 2625:ω 2614:ω 2600:s 2593:n 2580:n 2568:f 2558:T 2551:h 2543:, 2540:Îœ 2525:v 2515:v 2501:s 2495:f 2485:T 2474:Ω 2458:Ξ 2447:Ξ 2436:1 2432:m 2427:A 2417:m 2407:x 2401:s 2395:r 2384:d 2373:1 2363:s 2358:t 2349:T 2338:A 2328:s 2323:t 2314:T 2307:Ξ 2300:Ξ 2295:1 2289:L 2286:L 2283:1 2247:e 2240:t 2233:v 2207:. 2188:. 2146:. 1991:s 1989:⋅ 1983:= 1979:⋅ 1967:s 1965:⋅ 1963:N 1959:= 1955:⋅ 1935:1 1932:v 1924:2 1921:v 1914:m 1907:2 1904:t 1898:1 1895:t 1887:F 1866:, 1860:1 1856:v 1851:m 1842:2 1838:v 1833:m 1830:= 1826:p 1819:= 1816:t 1812:d 1806:F 1798:2 1794:t 1786:1 1782:t 1773:= 1769:J 1749:2 1746:t 1740:1 1737:t 1731:p 1729:Δ 1710:, 1706:p 1699:= 1694:1 1689:p 1679:2 1674:p 1669:= 1658:p 1653:d 1645:2 1640:p 1631:1 1626:p 1616:= 1606:t 1602:d 1594:t 1590:d 1583:p 1578:d 1567:2 1563:t 1555:1 1551:t 1542:= 1534:J 1506:. 1500:t 1496:d 1489:p 1484:d 1477:= 1473:F 1461:p 1448:2 1445:t 1439:1 1436:t 1430:F 1414:, 1411:t 1407:d 1401:F 1393:2 1389:t 1381:1 1377:t 1368:= 1364:J 1351:2 1348:t 1342:1 1339:t 1333:J 1326:. 1323:0 1316:v 1312:m 1306:0 1303:v 1297:0 1294:v 1288:0 1220:. 1217:t 1213:d 1207:F 1200:= 1196:J 1185:F 1165:. 1162:t 1155:F 1151:= 1147:J 1136:F 1132:J 1116:, 1110:t 1100:1 1095:p 1085:2 1080:p 1072:= 1068:F 1057:F 1031:. 1026:1 1021:p 1011:2 1006:p 1001:= 997:J 983:J 977:2 974:p 968:1 965:p 951:J 929:e 922:t 915:v 605:) 224:t 221:d 215:p 211:d 205:= 200:F 157:1 148:T 140:M 133:L 111:? 102:s 100:⋅ 94:s 92:/ 90:m 88:⋅ 75:) 73:s 71:⋅ 69:N 67:( 49:J 37:.

Index


SI unit
newton-second
N
s
kg
m
s
lbf
s
Conserved
Dimension
Classical mechanics
Second law of motion
History
Timeline
Textbooks
Applied
Celestial
Continuum
Dynamics
Kinematics
Kinetics
Statics
Statistical mechanics
Acceleration
Angular momentum
Couple
D'Alembert's principle
Energy

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