Consider hat happens when you jump up in the air. Which of the following is the

Question

Consider hat happens when you jump up in the air. Which of the following is the most accurate statement?

A. When you push down on the earth with a force greater than your weight, the earth will push back with same magnitude force and thus propel you into the air.
B. Since the ground is stationary, it cannot exert the upward force necessary to propel you into the air. Instead it is the internal forces of your muscles acting on your body itself which propels the body into the air.
C. It is the upward force exerted by the ground that pushes you up, but this force can never exceed your weight.
D. You are able to spring up because the earth exerts a force upward on you which is stronger than the downward force you exert on the earth.

Explanation / Answer

Correct answer: Option (A)

When you push down on the earth with a force greater than your weight, the earth will push back with same magnitude force and thus propel you into the air.

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