Question 7
Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why?

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Solution

Seema will have to apply a larger force since she has to overcome a larger frictional force. This is because a heavier object is pressed harder against the surface and the frictional force developed is larger.

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Factors Affecting Friction

Standard VIII Physics

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Question 7 Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why?

Seema will have to apply a larger force since she has to overcome a larger frictional force. This is because a heavier object is pressed harder against the surface and the frictional force developed is larger.

Question 7
Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why?