An object may appear to be moving for one person and stationary for some other. For the passengers in a moving bus, the roadside trees appear to be moving backwards. A person standing on the road–side perceives the bus along with the passengers as moving. However, a passenger inside the bus sees his fellow passengers to be at rest.
Most motions are complex. Some objects may move in a straight line, others may take a circular path. Some may rotate and a few others may vibrate. There may be situations involving a combination of these.
(a) Can any object be at absolute rest?
(b) Is displacement a scalar quantity?
(c) Define oscillatory motion
(d) Define mechanics
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rest means what....not only that the body is still rest means the body is in a common motion
yes an object can be ag absolute rest
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