Standard Science Primary 6 Interactions

Why do athletes wear shoes with spikes when running on a track?

A To make the shoes lighter
B To reduce the gravitational force acting on them
C To increase friction between the shoes and the track
D To decrease the surface area in contact with the ground
Show Worked Solution

Worked Solution

Step 1: Spikes create a rougher interface between the shoe and the track. Step [2-9]: This increases the frictional force (grip). Step [2-9]: Better grip prevents slipping and allows for faster acceleration.

Correct answer: To increase friction between the shoes and the track

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