Two forces are acting in parallel and in the same direction as shown in the figure below. Person A pushes the box of magnitude 20N whereas person B is pulling the box of magnitude 60N. Find the net equivalent force to move the box.

20 N

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80 N

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40 N

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60 N

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Solution

The correct option is B 80 N
When two forces are applied in parallel and in the same direction, the magnitude of the forces gets added together. By adding the magnitude of A and B, i.e. (20+60) N, we get the net force of 80 N. The box will move in the direction of the greatest magnitude. Thus, the box will move to the right.

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