NAME

### Question limit

of 28 available terms

### 5 Matching questions

1. Force
2. Complex Machine
3. Inertia
4. Joules
5. Magnetism
1. a a machine made of more than one simple machine
2. b the force that keeps objects moving in a straight line; resists a change in motion
3. c Work in measured in units called Joules (not the ones I wear)
4. d a force that attracts certain metals and other magnets without touching; push or pulls on other objects
5. e a push or pull that acts on an object

### 5 Multiple choice questions

1. 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.
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. When a force acts on an object and causes it to move (may be in the same direction or in opposite directions).
4. Force is measured in units called Newtons (not the cookie)
5. will demonstrate in class

### 5 True/False questions

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

2. Newton's 2nd Law of Motionthe relationship between mass, acceleration & force. Force = Mass X Acceler.

3. EquilibriumWhen all the forces act on an object that are balanced and the object doesn't move; no net force.

4. Newton's 1st Law of MotionWhen 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. Electricitythe speed & direction of an object's motion