Name: Phys203 Chapter 4 Test Part 1: Multiple choice (1 pt each) Instructions: S

Question

Name: Phys203 Chapter 4 Test Part 1: Multiple choice (1 pt each) Instructions: Select one answer for each problem. . A frustrated physics student pounds a nail, with a hammer. which object, the nat or the hammer, feels the greatest force? A) It depends on how hard the hammer hits the nail Always the nail Always the hammer B) D) If the nail moves, it feels the greater force. If the nail remains at rest, the E) hammer feels the greater force. Both always feel equal forces, but in opposite directions. Kelly and Alex are playing tug-o-war. Alex is pulling with a force of 200 N. Kelly is simpl hanging on to the rope. Neither person is moving. What is the tension of the rope? 2. 200 N 400 N c) ON D) 300 N E) 100 N

Explanation / Answer

1. (E) both always feels equaland opposite force

According to newton's third law of motion, 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.

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