World-class sprinters can accelerate out of the starting blocks with an acceleration that is nearly horizontal...

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World-class sprinters can accelerate out of the starting blocks with an acceleration that is nearly horizontal...

World-class sprinters can accelerate out of the starting blocks with an acceleration that is nearly horizontal and has magnitude 15m/s^2. How much horizontal force F must a sprinter of mass 64 kg exert on the starting blocks to produce this acceleration?

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Answer 1

Answer #1

given, mass of sprinter (m) = 64 kg

acceleration of sprinter ( a) = 15 m/s²

now, horizontal force F = m x a

or, F = 64 x 15 = 960 N

hence, this sprinter must exert the force of 960 N on the starting blocks .

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Answer 2

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