Question

2 (a) Give reason for the following?
1.Sportsman use shoes fitted with spikes.
2.Rollers are used for transporting luggage​

Answer 1

Explanation:

Sportsmen use shoes witli spikes because these shoes give them a better grip while running. This is because the force of friction between the shoes and the ground increases with the help of spikes

Because rolling friction is smaller then sliding friction,therefore it is easier to transport a bag fitted with rollers

Answer 2

Here is the required answer

Explanation:

1)Sportsman shoes spiked shoes because the shoes have friction in their spikes and this friction will give grip to that sports man.

2) Because rolling friction is less than sliding friction.

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