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What will be the net force acting on the box given below?

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A net force of 90N will be exerted in the downward direction.

A net force of 4N will be exerted in the left direction.

The net force on the body will be zero.

A net force of 28N will be exerted in the right direction.

answer is B.

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Detailed Solution

The net force on an object is the total force acting on an object. Forces applied on an object in the same direction add to one another, Force applied in opposite direction difference between the two forces.

Force acting in the upward and downward directions are equal and opposite hence they will cancel each other. 15N - 15N = 0N

Horizontal forces are 28N (20+ 8) in the right direction and 32N in the left direction. Therefore, the net force will be 32-28= 4N in the left direction.

Hence option 2 is the correct answer.

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