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Question
The force of friction between the surface of a floor and the surface of the box in contact with the floor is 500N. How much minimum force has to be applied on the box in order to move the box on the floor with constant velocity?
The force of friction between the surface of a floor and the surface of the box in contact with the floor is 500N. How much minimum force has to be applied on the box in order to move the box on the floor with constant velocity?
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Solution
The correct option is B 500 N
The box will move with constant velocity if no external force acts on the body. i.e., the effect of frictional force has to be balanced. So a force equal to the force of friction (500N) but opposite in direction has to be applied on the box to move it with constant velocity.
500 N
The box will move with constant velocity if no external force acts on the body. i.e., the effect of frictional force has to be balanced. So a force equal to the force of friction (500N) but opposite in direction has to be applied on the box to move it with constant velocity.
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