1. What law states that for every action there is an equal and opposite reaction?
A. Acceleration
B. Inertia
C. Interaction
D. Velocity
2. Which of the following is NOT true about action-reaction forces?
A. Forces must be equal in magnitude.
B. Forces must be acting simultaneously.
C. Forces must be acting in one body or objects only.
D. Forces must be acting in opposites diretions.
3. Which of the following is TRUE about a person standing on a platform?
A. His inertia decreases.
B. No force acts on him because he is not accelerating.
C. The platform pushes the person with a force equal to his weight.
D. Only force weight acts on the person.
4. How would you compare the force you exert in punching a bag to the force that you receive from the punch?
A. Greater
B. Equal
C. Lesser
D. Zero
5. When moving at the same speed, which vehicle could less likely do harm to a tree when it crashes into it?
