A smooth wedge A is fitted in a chamber hanging from a fixed ceiling near the earth's surface.
A smooth wedge A is fitted in a chamber hanging from a fixed ceiling near the earth's surface. A block B placed at the top of the wedge takes a time T to slide down the length of the wedge. If the block is placed at the top of the wedge and the cable supporting the chamber is broken at the same instant, the block will
(a) take a time longer than T to slide down the wedge
(b) take a time shorter than T to slide down the wedge
(c) remain at the top of the wedge
(d) jump off the wedge.
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(c) remain at the top of the wedge
Explanation:
Both the wedge and block will be in free fall motion and have equal velocities downwards at any instant of time so there will be no relative motion.
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