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Question

If two person is pulling a box in the same direction with 85 N and 65 N force. Find the net work done by the forces if net displacement of the box is 18m.


  1. 2700 J

  2. 2800 J

  3. 1900 J

  4. 1250 J


Solution

The correct option is A

2700 J


Forces are in the same direction, hence net force will be sum of these two forces.

Net force = 85 N + 65 N = 150 N

Displacement = 18 m

Net work done=Net force×displacement=(150 N)×18 m=2700J  

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