Question

an athlete runs some distance before a long jump because

Answer 1

Hi mate

An athlete runs before jumping to gain momentum. Because it helps in jumping higher and longer because of inertia of motion gained due to the motion. When the athletes Jump they already have a forward motion that would be greater than that of a jump made from standing in one spot.

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Answer 2

Hi

An athlete runs before jumping to gain momentum as it is Mass × Velocity. It helps in jumping higher and longer because of inertia of motion gained due to the motion. When the athletes Jump they already have a forward motion that would be greater than that of a jump made from standing in one spot. He gains energy to take him through long distance.

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Hope it's helpful