Forces, Energy, and Simple Machines

This simple machine is known as a ________.

• lever

• pulley

• inclined plane

• screw

Which simple machine is this?

• pulley

• lever

• wheel and axle

• screw

Which simple machine is the man using to get the wheelbarrow up into the truck?

• lever

• pulley

• inclined plane

• screw

Which simple machine is a knife?

• pulley

• wedge

• wheel and axle

• inclined plane

What is force?

• Something that makes work easier
• Gravity
• A push or a pull
• Inertia

This simple machine is used to lift objects. What is it called?

• Pulley
• Lever
• Wheel and axel
• Wedge

This man is lifting the rock with what kind of simple machine?

• Inclined plane
• Wedge
• Lever
• Pulley

The force it takes to move an object over a certain distance is

• weight

• gravity

• work

• friction

The force that opposes motion ; slows objects down

• friction

• push

• pull

• gravity

A form of energy that our eyes detect is

• sound energy

• light energy

• magnetic energy

• solar energy