## ← Back to Combo with "Science Chapter 13-List 4" and 3 others

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### 5 Matching Questions

1. Newton&#039;s 1st Law of Motion
2. Poles
3. Motion
4. Speed
5. Equilibrium
1. a the distance an object moves during a certain amount of time (miles per second; mph) Average speed = Distance divided by time
2. b When all the forces act on an object that are balanced and the object doesn&#039;t move; no net force.
3. c 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)
4. d movement of objects, people, or animals in many different directions
5. e ends of magnets and the North Pole and South Pole: Positive &amp;amp; Negative poles, opposites attract (a + and - or (North &amp;amp; South); like poles repel (push away: South &amp;amp; South, North &amp;amp; North, 2 + or 2-)

### 5 Multiple Choice Questions

1. a force that attracts certain metals and other magnets without touching; push or pulls on other objects
2. 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.
3. a machine that consists of a few parts.
4. 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.
5. a machine made of more than one simple machine

### 5 True/False Questions

1. Worka force that moves an object; no work is done if an object doesn&#039;t move. Force X Distance = Work

2. Push/pullwill demonstrate in class

3. Frictionthe force that slows down objects by rubbing against them

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

5. Point of ReferenceWhen a force acts on an object and causes it to move (may be in the same direction or in opposite directions).

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