Simple Machines

A simple machine is a mechanical device that changes the direction or magnitude of a force. Which of the following is an example of a simple machine?

• Bicycle

• Lever

• Car

• Computer

The object that we are trying to move is called a _______.

• load

• vehicle

• machine

• tool

What is the simplest of simple machines?

An inclined plane is a fancy name for a flat, ________ surface.

• sloping

• curved

• rough

• smooth

If you need to move a heavy load to a higher level, what simple machine can help?

• Lever

• Pulley

• Inclined Plane

• Wheel and Axle

An inclined plane is a:

• flat surface

• curved surface

• sloped surface

• vertical surface

What is an inclined plane?

• A) A flat surface that makes it easier to move a load up or down.

• B) A type of lever.

• C) A wheel and axle.

• D) A pulley.

Fill in the blank: Some examples of inclined planes include slides, wheel chair ramps, and even ____.

• ladders.

• escalators.

• stairs.

• elevators.

Which of the following is an example of an inclined plane you may use in everyday life?

• A ramp

• A wheel

• A lever

• A pulley

Which of the following is an inclined plane?

(a)