6 Written Questions

1. a sloping surface such as a ramp that reduces the amount of force required to do work
2. toothed wheels that fit together to make something move
3. a rigid bar resting on a fulcrum, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other.
4. a simple machine that is a double inclined plane that moves; it is often used for cutting
5. simple machine that consists of an inclined plane wrapped in a spiral around a cylindrical post
6. What happens when a force is applied to an object to cause it to move a distance

6 Multiple Choice Questions

1. the fixed point around which a lever pivots
   1. Pulley
   2. Force
   3. Screw
   4. Fulcrum
2. fulcrum at the end, effort in the middle; tweezers, baseball bat
   1. 2nd Class Lever
   2. 1st Class Lever
   3. Lever
   4. 3rd Class Lever
3. a machine made of more than one simple machine
   1. Complex Machine
   2. Inclined Plane
   3. Simple Machine
   4. Force
4. simple machine that consists of a shaft or axle attached to the center of a larger wheel, so that the shaft and the wheel rotate together
   1. Wheel and Axle
   2. Wedge
   3. Inclined Plane
   4. Load
5. The force applied to move a load using a simple machine
   1. Force
   2. Effort
   3. Load
   4. Work
6. the object being lifted or moved by a simple machine
   1. Load
   2. Gears
   3. Work
   4. Lever

6 True/False Questions

1. Force → What happens when a force is applied to an object to cause it to move a distance

   True        False

2. Pulley → Simple machine that enables you to lift an object up by pulling down on a rope

   True        False

3. Simple Machine → a machine made of more than one simple machine

   True        False

4. 2nd Class Lever → fulcrum at the end, effort in the middle; tweezers, baseball bat

   True        False

5. 1st Class Lever → fulcrum in the middle; see-saw, hammer, scissors

   True        False

6. Mechanical advantage → How much a machine multiplies your force

   True        False