When we push a ball lying on the ground- it starts rolling- The force exerted has produced nbsp-motion in the ball- However- when we try the same with a heavy stone- it does not move- Why- Is it because of friction-

Frictional forces nbsp;acting on ball and stone are nbsp;directly proportional to their weight In the case of ball lying on the ground, small force is e ...

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Byju's Answer

Standard VIII

Physics

Frictional Force

When we push ...

Question

When we push a ball lying on the ground, it starts rolling. The force exerted has produced motion in the ball. However, when we try the same with a heavy stone, it does not move. Why? Is it because of friction?

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Solution

Frictional forces acting on ball and stone are directly proportional to their weight

In the case of ball lying on the ground, small force is enough to move the ball since the frictional force is very small due of small weight.

In the case of heavy stone lying on the ground, small force is not enough to move the ball since the frictional force is very large due of large weight.

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