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PHYSICS TEST REVIEW
| Question | Answer |
|---|---|
| Third Law of motion | "For every action, there is an equal and opposite reaction." |
| First Law of motion | "An object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted upon by an unbalanced force." |
| 14. Blood rushes from your head to your feet when the decending elevator you are riding on quickly stops. | First Law of motion |
| 15. To dislodge ketchup from the bottom of a ketchup bottle, it is turned upside down and thrust downward and abruptly stopped. | First Law of motion |
| 16. Headrests are placed in cars to prevent whiplash injuries during rear-end collisions. | First Law of motion |
| 17. While riding a skateboard you hit a rock which abruptly halts the motion of the skateboard. You fly forward off the board. | First Law of motion |
| 18. You are riding in a car at a high rate of speed and the driver makes a sharp turn. Your body lurches in the original path of motion and you get pushed into the side of the car. | First Law of motion |
| INERTIA | An object's resistance to movement |
| Weightlifter pushes bar upwards Barbell pushes downwards on weightlifter | Third Law of motion |
| Balloon wall pushes compressed air inwards Compressed air pushes outwards | Third Law of motion |
| Compressed air rushes backwards out of balloon opening. Balloon moves forward | Third Law of motion |
| A skateboarder's foot pushes backwards Skateboard moves forward | Third Law of motion |
| As you walk, your feet push against the floor. At the same time, the floor pushes with an equal but opposite force against your feet. You move forward. | Third Law of motion |
| Energy | the ability to do work |
| work | done when a force is exerted on an object and the object moves. |
| newton | The amount of force exerted on an object |
| Another word for the Newton meter | joule (JOOL). |
| transfers energy to an object | Force |
| 17th century mathematician and scientist, put forth a variety of laws which explain why objects move (or don't move) as they do | Isaac Newton |
| 2nd law of motion | : The net force an object exerts equals its mass times its acceleration. |
Created by:
4496mytutor
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