Question

Hey friends..

Why are there spikes on the soles of shoes worn by athletes?.??

how does a nail hold into a wall

Answer both question otherwise ur answer will be reported...​

Answer 1

Hola mate here is ur ans:

Ur 1st ans :-

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✳️"The athletes wear shoes that have spikes on their base because spikes in the shoes of athletes make the shoes rough. These spikes cause friction with the surface when athletes walk and that allows them more stable to stay still. The rough objects interlock with the surface or floor so that they will not fall.

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Ur 2nd ans:

❇️When you force the nail into the wall by striking with hammer it displaces the wall material to pass through. ... Since the force on nail is large, the friction becomes large due to which it becomes difficult to remove the nail out of the wall again.

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Answer 2

Explanation:

1.The studs can dig into the ground and offer a much larger frictional force than the simple shoes while on grass. In short you can also say, Stud shoes increases friction and enables the player fast running quality. These shoes give a grip on the ground , improving the running speed of the players

2.When you force the nail into the wall by striking with hammer it displaces the wall material to pass through. ... Since the force on nail is large, the friction becomes large due to which it becomes difficult to remove the nail out of the wall again.