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Physics Newton's Laws of Motion Mix MCQ (Single Correct)

Figure shows two blocks. A rough surface are identified as shown in figure. Blocks and man are initially at rest. The man started running with non-zero acceleration on surface 'A' and jumps on surface 'C' and stays there stationary w.r.t. other block. Then –

Column I

Column II

(i) Direction of contact force on ' A ' when man is on ' A '

[D]

(ii) Direction of contact force on surface B when man is on A

[B]

(iii) Direction of contact force on surface ' C ' when man

[C]

(iv) Direction of contact force on surface ' D ' when man reaches at ' C '

[D]

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The correct answer is:
CHECK THE SOLUTION.

(i)-[C], (ii)-[A], (iii)-[D], (iv)-[B]

Sol. Contact force on a surface is given by

Where = normal force on the surface.

= friction force on the surface.

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