Simple Machines Quiz

Which of the following is NOT one of the six simple machines?

• Lever

• Inclined Plane

• Spring

• Pulley

What is the main purpose of a simple machine?

• To use electricity

• To make work harder

• To multiply or change direction of force

• To replace engines

Which simple machine uses a rope and wheel to lift objects?

• Pulley

• Screw

• Lever

• Wedge

An inclined plane helps by:

• Using more force over less distance

• Using less force over a longer distance

• Multiplying speed

• Reducing friction

A lever rotates around a:

• Wheel

• Pulley

• Fulcrum

• Wedge

Which part of the lever is used to apply force?

• Load arm

• Fulcrum

• Effort arm

• Screw

What kind of motion is used to operate a screw?

• Pushing

• Hitting

• Twisting

• Pulling

How does a wheel and axle make work easier?

• Increases the need for force

• Creates larger turning force on axle

• Decreases speed

• Reduces motion resistance

Which of these is an example of a wedge?

• Doorknob

• Crowbar

• Ramp

• Axe

Which simple machine consists of a sloped surface?

• Pulley

• Inclined Plane

• Wheel and Axle

• Lever