Question

give reason: in a high jump, athletes jump on mattress ( answer in 40 words )

Answer 1

Answer:

To break the fall

Explanation:

Athletes jumping in high jumps have high momentums. If they fall on ground, the time taken to change momentums is very small so the force is high, leading to fractures etc. However, using a soft and spongy material like a mattress will increase the time taken to attain a state of rest, thereby reducing the impact of the fall. Just like air bags and seat belts in cars.

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Answer 2

Answer:

To avoid injuries which can cause damage during the landing after the jump.

Explanation:

In a high jump athletic event, the athletes are made to fall either on a cushioned bed or sand bed. This is to increase the time of the athlete's fall to stop after making the jump. This decreases the rate of change of momentum and hence, the force.

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