Questions
A boy of mass m is standing on a block of mass M kept on a rough surface. When the boy walks from left to right on the block, the center of mass (boy + block) of system:
detailed solution
Correct option is C
As boy walks from left to right on the block, the block will recoil towards left. The friction acting on the block will act towards right. This friction acts as external force for boy and block system. Hence, the center of mass of the boy and block will shift towards right.Talk to our academic expert!
Similar Questions
Shown in the figure is a system of three particles of mass 1 kg, 2 kg and 4 kg connected by two springs. The acceleration of A, B and C at any instant are 1 ms-2, 2 ms-2 and 1/2 ms-2 respectively directed as shown in the figure external force acting on the system is:
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