1. Which of the following is a reaction when swimming ?
A. Hand pushes the water backwards
B. Water flows backward
C. Hand extends forward
D. Water pushes the hand forward
2. Which of the following is a reaction when walking?
A. Feet pushing the ground backwards
B. Ground moving backwards
C. Feet sliding backwards
D. Ground pushing the feet forward
3. What makes a person move forward as he walks?
A. It is because of the force that the feet exert on the ground.
B. It is because that the legs exert on the feet.
C. It is because of the force that the feet use to step on the ground
D. It is because of the force that the ground exerts on the feet.
4. How would you describe the forces acting on a body that was pushes with a force but did not move?
A. The applied force is equal or greater than the force that keeps it from moving.
B. The applied force is equal or less than the force that keeps it from moving.
C. The applied force is greater than the force that keeps it from moving.
D. The applied force does not affect the force that keeps it from moving.