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Chapter 2 - Science
Newton's Laws Test
Question | Answer |
---|---|
1. For every action, there is an equal but opposite reaction. | 1. 3rd |
2. An object will remain at rest unless a net force acts upon it. | 2. 1st |
3. Force equals mass times acceleration. | 3. 2nd |
4. A base ball sticks in the catcher’s glove until an unbalanced force acts to move it. | 4. 1st |
5. As the force of a golf swing is increased, the ball’s acceleration increased. | 5. 2nd |
6. As you walk, your foot pushes the ground backward, and the ground propels you forward. | 6. 3rd |
7. A race car gains acceleration as its mass increases. | 7. 2nd |
8. A boat moves back when people dive off the side of it. | 8. 3rd |
9. The passengers on a train lean sideways as the train takes a sharp turn. | 9. 1st |
10. When a rock falls into the lake, the water splashes up. | 10. 3rd |
11. The speed of a ball pitched by a child is slower than that pitched by an adult. | 11. 2nd |
12. Your parked bicycle has _____ friction until you are able to push the pedals and get it moving. | 12. static |
13. What is the gravitational force on any object near Earth’s surface? | 13. 9.8 m/s/s |
14. Gravitational force is influenced by what two factors? | 14. mass of the object, distance |
15. _____ |