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5 Matching Questions

1. Newton&#039;s 1st Law of Motion
2. Velocity
3. Newton&#039;s 3rd Law of Motion
4. Gravity
5. Joules
1. a An object in motion will stay in motion unless a force acts on it. An object at rest will stay at rest unless a force acts on it.(No Net Force)
2. b a force that pulls everything toward the center of the Earth
3. c When the 1st object puts a force on a 2nd object, the 2nd object will put a force back on the 1st object as well. Exam: using a hammer to pound a nail, the hammer is creating a force on the nail and the nail is creating a force back on the hammer.
4. d the speed &amp; direction of an object&#039;s motion
5. e Work in measured in units called Joules (not the ones I wear)

5 Multiple Choice Questions

1. a tool or device that makes work easier by changing the direction or the amount of force needed to move an object; DOES NOT make less work.
2. When 1 object exerts more force on another object and movement occurs. Forces may be in the same direction or opposite directions, but there is movement. There is a Net Force.
3. a force that moves an object; no work is done if an object doesn&#039;t move. Force X Distance = Work
4. a force that attracts certain metals and other magnets without touching; push or pulls on other objects
5. the force that slows down objects by rubbing against them

5 True/False Questions

1. Net ForceWhen a force acts on an object and causes it to move (may be in the same direction or in opposite directions).

2. DistanceForce is measured in units called Newtons (not the cookie)

3. Speedthe distance an object moves during a certain amount of time (miles per second; mph) Average speed = Distance divided by time

4. InertiaForce is measured in units called Newtons (not the cookie)

5. Powerwork is done in a certain time. Work divided by time = power; measured in Watts

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