Question

part a
what does it say about the application of newtons second law of motion in football?
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part b
you have an old - style reel lawn mower at home. no engine! you need to cut the grass but also finish in time to watch a game. how would you apply newtons second law of motion here?

Explanation:

Newton's second law ($F = ma$, force equals mass times acceleration) can be applied in football when a player accelerates or changes direction. The force a player exerts on the ground to move is related to their mass and the resulting acceleration. In the case of the lawn - mower, to cut the grass and finish in time, one can apply more force to increase the acceleration of the mower, assuming the mass remains constant. A greater force will lead to a higher acceleration and potentially a faster cutting process.

Answer:

In football, a player's movement and change in velocity involve Newton's second law as the force they exert on the ground relates to their mass and acceleration. For the lawn - mower, applying more force can increase its acceleration to cut the grass faster and finish in time.