A man of mass m is standing on a board on ground and pulling the board of mass m up - Physics - Laws Of Motion

Question

A man of mass m is standing on a board on ground and
pulling the board of mass m up with force F
by
the pulley system as shown in figure Normal reaction between man
and board is

(1) mg – F (2) mg + F (3) (m + M)
g + F (4) (m – M)
g – F

Sanjay Singh · Accepted Answer

Dear student

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A man of mass m is standing on a board on ground and pulling the board of mass m up with force F by the pulley system as shown in figure. Normal reaction between man and board is (1) mg – F (2) mg + F (3) (m + M) g + F (4) (m – M) g – F

A man of mass m is standing on a board on ground and pulling the board of mass m up with force F by
the pulley system as shown in figure. Normal reaction between man and board is

(1) mg – F (2) mg + F (3) (m + M) g + F (4) (m – M) g – F