Consider the situations below. True or False, these situations, are (true) or ar

Question

Consider the situations below. True or False, these situations, are (true) or are not (false) in static equilibrium, and explain your reasoning! 1. You jump from a platform onto a trampoline. As you land on the trampoline you stretch the floor down and momentarily come to a stop. At this moment you are in static equilibrium! 2. You are sitting cross legged on the floor. At this moment you are in static equilibrium! 3. You are traveling in your car on a straight road with a constant velocity (cruise control). You are in static equilibrium.

Explanation / Answer

1. False. Because at this moment the force is acting in the upward direction as a result of reaction and our body is not completely at rest.

2. True. No force is acting on the body.

3. True. Net force on the body is zero.

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