Unit 5 Test Reivew

1. Tendency of an object to resist being moved or stopped.

• momentum
• inertia
• air resistance
• velocity

2. The force of attraction between two objects is known as _______________

• gravity
• velocity
• inertia
• momentum

3. If a tennis ball and a giant boulder are dropped from the same height at the same time in a scientific vacuum, what will hit the ground first?

• the boulder lands first

• the balls land at the same time
• the tennis ball lands first

• the ball with more volume lands first

4. When the forces are equal and acting in opposite directions, this is called

• free fall
• unbalanced force
• balanced force
• inertia

5. Which of the following would increase the acceleration of an object?

• decrease the mass
• increasing the force pushing
• increasing the mass
• both 1 and 2

6. Acceleration of an object depends on the mass and the amount of force applied is which law?

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Law of Universal Gravitation

7. Air resistance

• slows objects down
• has no effect
• speeds objects up
• none of the above

8. When a space shuttle takes off from its launch pad, the force of gases pushing down causes the shuttle to be pushed upward with an equal force. This demonstrates what law?

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Law of Universal Graviation

9. Which of the following objects has the most acceleration? (moves the fastest)

• an empty shopping cart pushed with a hard force
• a full shopping cart pushed with a hard force
• an empty shopping cart pushed with a light force
• a full shopping cart pushed with a light force

10. Any time objects collide, momentum may be transferred, but the total momentum stays the same. This is the

• Newton's 1st Law
• Law of Conservation of Momentum
• Newton's Law of Universal Gravitation