Neha has to push a light weight box and Sohit has to push a heavier box on the same floor. Which of the following is true?
A
It runs out of push
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B
It rubs against the ice
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C
It runs out of electricity
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D
Force of gravity made it slow
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Solution
The correct option is B
It rubs against the ice
Frictional force depends on the weight of the object which is being pushed on the surface. Heavier the object, greater is the frictional force. As both Neha and Sohit are pushing the object on the same floor, Sohit has to apply a greater force as he is pushing a heavier box.