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

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### 5 Matching questions

1. Newton's 1st Law of Motion
2. Balanced Forces
3. Poles
4. Velocity
5. Newton's 2nd Law of Motion
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 When 2 objects exert an equal and opposite force on each other.There is no movement!
3. c the speed & direction of an object's motion
4. d the relationship between mass, acceleration & force. Force = Mass X Acceler.
5. e ends of magnets and the North Pole and South Pole: Positive &amp; Negative poles, opposites attract (a + and - or (North &amp; South); like poles repel (push away: South &amp; South, North &amp; North, 2 + or 2-)

### 5 Multiple choice questions

1. movement of objects, people, or animals in many different directions
2. a force that pulls everything toward the center of the Earth
3. how far an object moves
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. When a force acts on an object and causes it to move (may be in the same direction or in opposite directions).

### 5 True/False questions

1. Equilibriumthe speed & direction of an object's motion

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

3. Inertiathe force that keeps objects moving in a straight line; resists a change in motion

4. Magnetisma force that attracts certain metals and other magnets without touching; push or pulls on other objects

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

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