Knowledge Bank

What type of simple machine is a seesaw?

• Lever

• Screw

• Inclined Plane

• Wedge

Which of the following simple machines is used to lift heavy objects?

• Wheel and Axle

• Screw

• Pulley

What type of simple machine is a pair of scissors?

• Lever

• Inclined Plane

• Wedge

• Screw

• Pulley

What simple machine is used in a faucet to control the flow of water?

• Wheel and axle

• Lever

• Pulley

• Screw

Which simple machine is used in a door handle?

• Inclined plane

• Lever

• Pulley

• Wedge

What is an example of an inclined plane?

• Screwdriver

• Wheelbarrow

• Escalator

• Gear

Potential energy is the energy of motion

• True

• False

A stretched rubber band has potential energy

• True

• False

Elastic potential energy is stored in objects that can be stretched or compressed

• True

• False

The energy in fuel and batteries is a potential energy due to object's position

• True

• False