Rankers Physics
Topic: Laws of Motion
Subtopic: Equilibrium based Questions

A man of mass m is standing on a board and pulling the board of mass m up with force F by the pulley system as shown. Normal reaction between man and board is   Image related to
mg – F
mg + F
(m + M) g + F
(m – M)g – F

Solution:

As the person is in equilibrium net force acting on it should be zero,

so, mg = N + F

⇒ N = mg - F

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