G6 Revision Simple Machines

A simple machine is a device that helps to reduce the amount of _____ required to work.

• force
• energy
• work

Stairs

• wedge
• pulley
• inclined plane
• wheel and axle

This device

• wedge
• lever
• incline plane
• wheel and axle

Name this simple machine.

• Lever
• Wedge
• Pulley
• Inclined Plane

Name this simple machine. 

• Wheel and Axle
• Lever
• Pulley
• Wedge

Name this simple machine. 

• Inclined Plane
• Lever
• Pulley
• Wedge

What simple machine has a fulcrum and can be used to lift a weight?

• Pulley
• lever
• screw
• wedge

What type of simple machine are these people using to move the wheel chair into the school bus?

• lever
• wedge
• inclined plane
• pulley

The fixed point around which a lever rotates is know as the

• wheel.

• fulcrum.

• input force.

• output force.

Which simple machine would be the MOST efficient for lifting an object 30 meters off the ground?

• pulley

• screw

• wedge

• lever