Question

Drag each example card to the Newton’s law it best represents.
First Law Second Law Third Law
Examples: The oar pushes water backward, and the boat moves forward. The same force makes a tennis ball speed up more than a bowling ball. Your foot pushes the ground backward, and the ground pushes you forward. A soccer ball keeps rolling until friction and grass slow it down.

Answer 1

First Law (inertia)
- A soccer ball keeps rolling until friction and grass slow it down.
- Explanation: objects stay at constant motion unless a net force (friction) acts.

Second Law (F = ma)
- The same force makes a tennis ball speed up more than a bowling ball.
- Explanation: with the same force, the lighter ball has greater acceleration.

Third Law (action–reaction)
- The oar pushes water backward, and the boat moves forward.
- Your foot pushes the ground backward, and the ground pushes you forward.
- Explanation: every force has an equal and opposite reaction.