the center of mass moves with constant velocity. (iv) If external forces are absent and system is initially at rest

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Which of the following is true for center of mass ? (i) The center of mass of a body may lie within , outside , on the surface of the body. (ii) In the case of symmetrical bodies , the center of mass coincides with the geometrical center of the body. (iii) In the absence of external forces , the center of mass moves with constant velocity. (iv) If external forces are absent and system is initially at rest, then location of center of mass is fixed.
22
Oct
Which of the following is true for center of mass ? (i) The center of mass of a body may lie within , outside , on the surface of the body. (ii) In the case of symmetrical bodies , the center of mass coincides with the geometrical center of the body. (iii) In the absence [...]
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Tags: on the surface of the body. (ii) In the case of symmetrical bodies , outside , the center of mass coincides with the geometrical center of the body. (iii) In the absence of external forces , the center of mass moves with constant velocity. (iv) If external forces are absent and system is initially at rest , then location of center of mass is fixed. , Which of the following is true for center of mass ? (i) The center of mass of a body may lie within ,