Two ice skaters are skating toward one another and accidentally collide. One of

Question

Two ice skaters are skating toward one another and accidentally collide. One of the ice skaters is a parent with a mass of 141.0 kg. The other skater is a small child whose mass is only 39.0 kg. Before the collision, both skaters have a speed of 5.0 m/s. When they collide, the parent picks up the child, and their final speed is 3.65 m/s, in the direction the parent was moving. The magnitude of the force that the parent exerts on the child at the instant they collide is 964.0 Newtons. What is the magnitude of the force that the child exerts on the parent at that instant?

Explanation / Answer

.Newton's third law is: For every action, there is an equal and opposite reaction. The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object.

Thus,force that the child exerts on the parent at that instant is 964 N in opposite direction to the force that the parent exerts on the child at the instant they collide.

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