Consider a person sliding down a water slide at constant velocity. what are the forces acting on the person as they slide? are the forces balanced or unbalanced? explain.

It is D.

Explanation:

Gravity and friction are acting on the person. The forces are balanced. There is no net force because the person is moving at a constant velocity. In this example, there is no net force when a mass moves at constant velocity. Although friction is acting on the person, there is no change in velocity and friction is not a net force in this case. Friction is only a net force if it changes the velocity of a mass. If friction slowed the person down, then there is a net force.

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