Home Physics Newton's Laws of Motion Equilibrium of Forces A man tries to remain in steady state by pus…
Physics Newton's Laws of Motion Equilibrium of Forces MCQ (Single Correct)

A man tries to remain in steady state by pushing his feet and hands against two parallel walls. Then for equilibrium

A
Force of friction should be equal on the two walls.
B
Force exerted by him on both walls should be equal and the walls should not be frictionless.
C
He should press his feet with greater force.
D
Coefficient of friction should be equal for both walls.

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Text Solution

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The correct answer is:
B

For equilibrium, the forces exerted by both walls on the man should be equal so as the horizontal forces may balance but the vertical forces can be balanced even if the forces of friction on the two walls are unequal.

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