Rotational Motion Question 120

Question: A mass m is rest on an inclined plane of mass M which is further resting on a smooth horizontal plane. Nowif the mass starts moving the position of C.M. of mass of system will

Options:

A) remains unchanged

B)change along the horizontal

C)will move up in the vertical direction

D)will move down in the vertical direction and changes along the horizontal

Show Answer

Answer:

Correct Answer: C

Solution:

[c] The mass move under the influence of gravitational pull which acts along the vertical.

Thus CM changes along vertical while it remains unchanged in the horizontal direction.