2. Weight is a measure of an object’s mass and:

3. __________ is the attractive force between two objects that depends on mass and distance.

4. A person is standing on a scale in an elevator. When at rest, the scale reads 50 N. As the elevator begins to rise (figure 1), what would the scale read?

5. The elevator gets to the top floor and then begins to descend (figure 2). As the elevator goes down, what would the scale read?

6. Newton’s Third Law States that:

7. Force is measured in:

8. Two balls are dropped from the same height. Ball A has a mass of 10 kg, Ball B has a mass of 5 kg. Which one will land first?

9. In an ELASTIC collision, two objects collide with each other and then:

10. How much forces is necessary to change the motion of an object is:

Score =

Correct answers: