Sometimes, file center of oscillation is termed as center of percussion. It is defined as that point at which a blow may be struck on a suspended body so that the reaction at the support is zero. It may be noted that
1. The center of percussion (C) is below the center of gravity (G), as shown in Fig. 1.36, and at a distance of
![Distance between center of percussion and center of gravity Distance between center of percussion and center of gravity](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAbwAAABwCAIAAADqj1LzAAAWbklEQVR4nO2d25qiyBKFE1S0anre/zX3dJfKOfbFGtYsE7WrFQEh/ov+aERNKFlEximDOc4MaJrGzNq2jXZiP8EBdV2PObZvUhQFNvI8N7OyLPFfjLZtW+wHbdtWVaXvjc7dqaoKf338u91uQwghBH0JF23kSxfG/DLH+S1N00BBKJdN07RtWxTFVWGdCRgVdRBCqfc8X1K5PJ/PJs8A6qyD68m/eFmWTdNE1wc/jPHH5qLpzAIIB0QE8A5RiyxSmfkArTezPM8xcr2f67rmf0+nE17lWUAU5vkwmIrIMOe1qqoK1xl79MKOhoumMy+oPrht8jyHuQFbY+rR/Qa1jgn2qCxC+ieZWr4XZVlSOun9sJ5JPrKF7qLpzAjcITQr9vt9lmXYxk61PmaFCrqakNgIIRwOhyRJ0jQNIex2O5O5J7R1hubzhERXg4rZtu3pdFJniIrpOLhoOrNAXX7WiSMd/5FW6oR9JtDYgRTWdY1BhhAYwQCbzebWebnVqdAe7z+EzOzXr1/47/iOYBdNZy5QCukTTNM0SZK2beH1iw6bG4zw0OkWQoBpSaHc7Xbb7TZJkv1+D920TmHVn+vgSuqjiPE0lU48dUb+SbhoOnNBA6bW01C7kZY0EzDIpml02FDMNE3TNG3bltKZJEkIAZ6HeZ7OTGASBa5qlGbQdow8qkdEk6PUjIqlAquhLMt+SNR5gKtTqii7CNu48owCRcczeMqdg0/TbuVdck4dWUPcA7uYtqQ6HMwMiskZus37YeD0+WPRjIKYc042HoqfP39Ge5b9nHgp/KkwQcfM0jRldndfDSk30QRW5XVwxbyVd0mh1G+s61oHjG14M03Et67rpmkwW4d0tm17Pp/xXT49fxcen57zhzKJhTw+SBkpigJ3gvMkVBlNtYuyvkmU6sy0JLi6+PYBpfNO3iUFFAdo9BYeN4gj9vAYfSTQ16kJSf4kfhf+WDTpkh8/0j8JdOpDMQ+HA2dVzgNAFlUguCfPc2hKZN/xT6DRABygRpy9YIbbz7vEd319ffWP6ZuKGFUk5fRp4od0Op1cLt+LR0QzhPDx8ZFlGSNZy/6rRxOxZZ/sCEDpVGLUqYdtTMlVs/AvQygQnSzLfv78GdVxD8KtvMu+3JtZWZaUfkzhm6aBsNKHy6m9OjQ1sjHbrAAn4hGjCUUa9DQte25O26ffPMJ5AE27a5oG0sn+C2YGNdGrzV+a5jwiEp0kCT85ciw+ya28yzvOKBYycU/f+w+fJubmJkY0jnHdfAuenWkej8dBxjFz+LPGDbzs58QIsPmCXkmaYPv9PlIT1c0occckZj3sIK/mXUbJldG3R9N5fULgTqHoIwkJB/jP6b14ZHqODc0yXbAJpg//NZzvCNBYY0SlrmtNAlcZ0qlxXdeqmDAzX/S3uJV3qe5IfnV/qNYTUOueCkmSIJYY2cUrCaguAI9pOGND+4tTYLUfo1APQOoC/Ok6PafKwNs4oOhEs2y6IyHu2+2WI1RVjXpoqizyvUmSqN/WJJzl0/O3wEXTmQZ0SDMzzMdDCJqEhA36E/lfmGnQzR8/fry6+pCRH81q+vHjB2JQ9Kgej0dazarjfecDZREfy4l/URQrSUdZAC6azthQ5hgNh+2mMTfrdU4ry5LTc0TPmWakRXUDjpN1R1C6PM+5QVNXj2fqKKf2fK8WTTKX065Fipz546LpjIpW2tByZEgnKszlbFd7rOHg3W4X9ZEblsjui/6LYaRpymH07USeBeW1P/tmAgDO1Kfnb4GLpjMqartFad5VVdHXifpCu5zwMuVou92maWpd0QFn+twYBAgZ7Vl+OJLw6V3lJB02Mg1kTsD3+z09ttwAh8MBJaQDDtt5NS6azgQ0TXM8HpMk2e12QbpaRPFogv9CYak7UTPKwcPotPt+/frFndogmUF8yD0zkDTnFCcIuK2eWRZr+vT8XXDRdCagLMuPjw9EkyGa9Euez2d2NqJXEbWGtEy1/J9tqGxQt2C/K3jkjqyqitYinZvMb8cG7eg0TaGSCB9pDoBdrsLmzB8XTWds6rrWOkiT/m9R8CeqwtKsHbs0P3X/UGi7xkg92XdD3QtRQ1w+EmhUwiyFVrIoiMntPkl/F+KSNfMkW+fFIN2ScvPbSA6mrtBZNFXTKpogndYoUiYxpcGjK223qs92u9W1KzxZfSX8lx6M6ca0o3HWQNu20Lj9fp+m6f1pKdOP1DOIlxhNonKlacoFsqNucgMOnttFUXCW7WWR6+HfqGVVVXDN4Gm5kopyZ3zgfNRJq92dmbKkcrvdclLPIHVRFNiZZVmWZQwNRT2MB1cxhtRDCH///Xd0It6AY9n8a1quqkWmMy2cSiOa/B1FK8sSIouIStstIIEnPeLXzJnXZSoG7+jOzu30qGo4y1u9rYH//tL0AQ2b7OY4SlmW0Eo4IpkcfgvMdilMocs0gu3JrHgGrEH0+B82AV4/PHRZ7tRNbyq8eP5ruH91cWHHGRzm34Twn3fo/ltCl9COnHaN+SBrB9AANIlKv6I4XRMz8Qzw5SvWw7/Tc1iXdV1Pso6wsx5YS4OMxe9Mn8/nM41TndeHEKqq4vI7/VZs9rLyxKh9EW3e1hdKWwH/eZRuFWM4zrBoAiOb9d46GC8FKTlXK5XHaGtOk9r2V/yYo+6Z6jrAnsFD9s6s8ByjiWENCW2uxZv5nMwyWyNaC0i9nG3bwsDsl2/ToowyIjlJj9Zfi9LOTVbI4Dd+pzO/aqLWkkdNkV00l4qL5ixgCgtaKy74fivLMkgrX7tcWodPDp3bQo+0iDvLMvo3eaS6EamnTJ6D+KJgPHTN5ZidzhJ4vv3W+KPew1VVqevApEHc89fKmScumhODcuYXFVDPE87NqVNaRxiZhxBZaNxut+PCGEBdorQuI5sdResaO4LMqQqnaQrVY2ul75wIRsgPYdY9WfykYZ24aM4F3K6sKpl6OK8iz3MYiZxi66toiqFZwx8fHzjy4+ODGqTWopkdj0dthG6X9iDUECF7bQViZnVd00Pad0rege4UNCRm1yJauG5pLhgXzYnBbYbl1HWlhGlH9VLU6MMeeCT6dhlKbmASJklSFEW0dPhut6NQagjIuhXqcQx0U5tdXh0PRPN+1DvylmpgiqJMBk+td+aAi+b08B5mOGLZN1tRFBo/0ZdwKb6+vnApVF55ZJ7nLF0PsqCu9RYXUiuSX0FLkALH8cBJeh8VXK2IDyF8fn7y871CZMG4aE5M1Oi7LMtlF7NyMVsYgPBFcF0duxQ+tlADzPXBzv1+z4og62qEGDovigJFlqq2JvIK3WQYiod9fX19JxD09fWFDTR82+12p9NJV0K3oSuRnJngojkLcNNSQMOi201VVcVVK8LlAo1MU8e2TsMjK1ItUBiJWlLJA1DjiBx4HYD18pz43LLfuUf4UZj+MyNK375sB8vKWfLN+UZQGnirh67EcHkLFkKzNpuNLuhITUSSEESzPw1Xm/R8Puu6Ebvdjta6ydSeb7TL9sbWVXDqVf1OvFubE/OrI2/psqcLK8dFc2J0PZnNZsNgMXbS8lqGXBKuFfH5+YlOlCaFPdZbtDJyWUYtM2Byqt5tt1uI6WazgSyqnEWd0vlG+pTvSCczajFa/r1QAo8gUtTN01kYLpoTA9Oprms2TIP1VFWV9gGAD27qwQ4DgyRBcsKjaFhZlrp6OOBaldyODDoY5pqYiYg2pt79AD0PuxWYugpbfNIzAN2PHAgLe845xEVzLoQul1CDG/dX33530Lzj8/MzyNpqOgHvz3b7L5kYj5QtLoChaxBFKnY+n5HpyXgRIkvRhD1ClVc11y7tU07/H7owzqxx0ZwYmJnYRlCYxtfpdFItWEYeElesxX+5LJpdGpVFUaAwPM9zvEUfGEzrUVXS9SNhsLPTu3XXGfLKgnf6JelN1kZzdzidTvTJhhD0j2jdJH1hTziHuGhOD25drerTSSIX3V6M2aL+Sg2RWyemkSOC6kaPIfdjQ21DfjiNRywcxCOt8zlS5iDciLP/tiKrrmsGmnROgE/O8/xqhzpnSbhoTowGgv766y/GNKJJYlSX/b5ctZp1TUega0lqCyjGcFinrytM6DHhcn3doijYNDZSWIakcOR9pdO3bDabyPHK4blcLhgXzelB4EJTDiNfnua4LAZt7BZkGV68yvCXRleitJ7ogmg6EbbZS0nlmFeS386JPDtu3Je80GVBBclnohavpOvKmnkb0dQZ09VowJuC82LcXIVjKHiVaKjeuW5qiPE6j+NOpcBFUZ0HwJniYsL5iP36mcxnogKiQsl6feo0ESpIn3a7vFzOSngb0QTaa/L+glzvhRovSZK8YiEwGq3fCVBQC8ZMdYLRh1a+4IEVI5jP1Pa6F/OY6OEB6x6+kchhyjIhXDR+VL83h7Me3kY0UaaGnzuKRq72xXk7cFK6AgQrWwZB08L7ptNV2LiXx48QCNYQ0JN5jtqMnREe2LAsGNcO7aFriowgvkbh+ZOzrrMn3Aj8kMX4mp3v8zaiad291E9AeXdwPydJomWFQxEVDuZ5zhnoVVSvVTLGgY5Oba7xp0QVPpqTgA4g+/0eL2mZJrtzqneCsXi9LN9ZEsNZMG8jmloHEu18a9DFNssy3LQwdoa9IWlGBVngIblBkO5BMHvLshxBOqPVd7HxwKMRus9MTIqdVqnzTIOsVsQ3RqHwfh/4aP///ve/R0/aeUveRjRBtBbCMlBTyIZe+hUZi+yxxjUdww20/1B/3ceXguRzu5xSPABEjc5N5Mlbd2FxHbIsU3FkI3f9HI3XR4+xVTWNdiLeRjRZjGzXwsFvDYMV2+2W/sTBv6IvhbfAdFUPG7kvpBbt/Ol7tWDfLuci+mkQ0CgZlhKZ57kOgLOcqqr0UjCB1INCq+JtRFPhEhFTD2QAdIaIQun7tc9/SlSX8s0yFR7Dpj5Djef+N0KYsOfhL6X2MdlTPbb0AzD7Qs3MSEPVIxz5gqJL5KyHtxTNN0Vzqq0TR3W0aTveob5U49EmotC3sPrNgPtvfwCKET+kXwdpl7mQJs07HvvSqMGwbkfyF/1RosB9v1ncrQDaA5hE6pkQpn8pjeM788FFcyT6oQnAifB+v7fX3CHH4zEKi+uQOFGN9rdtez6fn7ExdSFyu+wKHMWpm6bRNdBf8fAA/dMk0Z+GR9I3OrgvKFohXRdwt558O/PBRXMkItMJc0YUUCZJAjeiZqEOC4xHbaDbDzep/4482WCp7WqxsRwFAlBsPqRWdj+urXu+D30dulCwLjREUGyuETB143KQaByHf3EZhzIzafMy39MuVZI6vgzf/WJw0RwPteyIBrLtBQ4y1FBBAlh0hFwidvcJEk+HcEBl8AmP3bG6KEU/9JRlWbSTjdbZcu23AatbRNKpxZT4apy7KnX/eIArpn+jPxXxO4RLdzY/Hxv4nbjDdIa4aI6EzsUYhOV9stlsttstrYxhF4BVOwsWk7aPpDahi1oIAUs4sGRQgzN/BKbnOGVtjc6vxgYHkGUZJYMC96dKpE06wuUzIPRyrQ6HA30jqpJ4qOiRsFsf1vFb6GXZbDaQTq1xgOPbo/OzwkVzPLhCA8WRy20nSWJmp9Np2CRNALE4HA6JFMBQLpPOENObmclJ31kK/CpwMmhJQv/O10ob1j62lzGox2a+FJ3QOU8peSZ+ZIXHK1Th5NKB8Dy0rJNLd0To1jvhkBZQwbEwXDTHQ+21tm2x2EM/gTwq2nseNs3Fv/zwf/75x7rOPR8fH23n9MSo+BbmnD9AFDHX82IZuH5424XOn5mWRg8e/JcloVrzw6/m10VtkNgp+eHB3EKFGKa9dRm7HFVRFFe7MjvT4qI5EhoM5U2oVh5msoOXn7fSZq2fwsJ2Hv2sw+e9acylvZVhrteEY6BO8Vo9YGnaZZYlt3UkENNWyoF0GQw9fR4wuHghHohTjnwgr1BqZxBcNMcj6r3I6dh+v8ctStfbdGM0u1SxhytzhkKbEHv5jTMHXDRHgtnLzF7c7XaINqhX6xWNjv4UyKXantOmvETTbU/2dqbFRXM81JXWdguKaXgXLYhs6rw8nVM/6V58HoRKuCDahCNxHOCiOR5MaOeeKMOmaZo8z6dVTAgTYybYOWwK1B+BLk12WevpM3RnQlw0xyZqBqxp5GRak4oSOatKPjbamFDBHcdcNEejH71V3xx8iK2s7j0tHG1kco4PMpPoK5hqGI5DXDTHg8skRMkrUQvIKN9lZKL+ETOZCGvilLl6OpPiojkeUQai9Tq2zaRJKIJUJgOeNuWIzxi9dI4zFS6aTsysRHNAmEcFx0jU1rMZfRU5501x0XQumOf0/HlaaeTOnUhd0Fb5k/twnfnjoulcYT6BoKFoZYkL7UuCZC9M/Fl34E4A5w4umk7MPFOOnkRjR2wvhHwv9MxXlnHKzotw0XQumFty+4DwLMqy1NJVXQdpJrE4Z864aDoxsyqjHAoukcaGmzAzd7udSTaYXTY8dZw+LppOzNwadgxFXden0wnnAhuT5Vhskedy6fwWF00nZlat4YaiHzRnG3aTbCRfyMz5LS6azipgpw9koXIJIG3PrItzOM4tXDSdtcCpty7IY9eKMn2S7tzBRdNZBdDBnz9/tm1LMzPLMryqC04swBfhvBQXTWcV0D+rvZ+LomCvKTaXYpzdca7ioumsBYS2sLY4k434knUezyzL3Nh07uCi6awCrm1Jb2aaphor1ySkh1d7d9aAi6azCmhLotgc9iZeQlVlmqZpmuLVyde2c+aM/zictYDlhpihiQLKEMLhcIj2I3nTca7ioumsCE7AkySBYnIyjkZHCBC5pencwX8czlpgCRClExNzxs2rqsL0/HA4TDtUZ864aDprgf5KtIPTaTjy2zebzWaz2W63vgaRcwcXTWcVVFWFqTeNTWRrapk5bU9POXLu4KLprIKqqqiVn5+f8GMypN40TVmWDKN7IMi5g4umsxagiT9+/MD6FjAnORNv2/bj44Mx9ElH6swaF01nFTA3E9KJnVVVcUkPTN7x76QjdeaO/z6cVYAoEIPm1msBR8WEHTrRMJ03wEVz4ejiaAx6LLhlJKbbVD2sZs6gOfLYeR24FFLTNFBM9nJnLIgLc45/Ls48cdFcOLz50bxnDS18cI4qc1yqF+akmR2PR7yELkdMdEcjD8hoZG8i+32803Dmiovm8oG1xe22bRdsaWoPdus6wmmTDrosz+eztiXm/N3M8Ba8hI/Sa+isHBfNtXA8Htlkd/F5iHgqcF3JIOtb2KV34nw+U1WzLEvTNM/z7Xbbjwi5mekAF82FA6Fkq901mEs42f7iFsjBxH5dyb2qKhQIReCj6rpezDrGziC4aK4FyuX5fF5wWANGNJfqresaOe2bzQbGJq1s2KFwVkAlmafJWFC0GKcbm465aK6BNViXJFqM18zY7Y057eqgoA5qTpK+HTapJiE4K8dFc+HwPscGwsSTjujlRILIE9djoJ66fq91UTIezLeUZemi6ZCF3z/Oq4mcfS4uzuJx0XSepaoqqCSSH+u69rCJs2BcNJ2nYEwJiuk2prN4XDSdp4BKsvk59iw4Ou84LprOUzRNw9JMbKwqWO+sEBdN51lCCHVdV1VFV6Zbms6CcdF0niLP835OjxubzoJx0XSeRZ2Yi69qd5z/A9sq05GxyCreAAAAAElFTkSuQmCC)
2. The distance between the center of suspension (O) and the center of percussion (C) is
equal to the equivalent length of simple pendulum, i.e.
L = l + h
3. The center of suspension (O) and the center of percussion (C) are inter-changeable.
2. The distance between the center of suspension (O) and the center of percussion (C) is
equal to the equivalent length of simple pendulum, i.e.
L = l + h
3. The center of suspension (O) and the center of percussion (C) are inter-changeable.
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