Consider what happens when you jump up in the air. Which of the following is the most accurate statement? Consider what happens when you jump up in the air. Which of the following is the most accurate statement? 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 that propels your body into the air. You are able to spring up because the earth exerts a force upward on you that is greater than the downward force you exert on the earth. It is the upward force exerted by the ground that pushes you up, but this force cannot exceed your weight. When you jump up the earth exerts a force F1 on you and you exert a force F2 on the earth. You go up because F1 > F2. When you push down on the earth with a force greater than your weight, the earth will push back with the same magnitude force and thus propel you into the air.

Complete Question

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

A

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 that propels your body into the air.

B

You are able to spring up because the earth exerts a force upward on you that is greater than the downward force you exert on the earth.

C

It is the upward force exerted by the ground that pushes you up, but this force cannot exceed your weight.

D

When you jump up the earth exerts a force F1 on you and you exert a force F2 on the earth. You go up because F1 > F2.

E

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

The correct option is E

Explanation:

Generally from Newton law which states that for very  action there is an equal and opposite reaction, so when you push down on the earth with a force greater than your weight, the earth will push back with the same magnitude force and thus propel you into the air

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