What is a machine?

An ____________ is a ramp.

• inclined plane

• screw

• pulley

An inclined plane wrapped around a center post is a ________________.

• lever

• wedge

• screw

A ____________ is a machine that changes the direction of motion of an object to which a force is applied.

• wheel and axle

• pulley

• work

A ____________ is a stiff bar that rests on a support.

• screw

• inclined plane

• lever

____________ is to use a force to move an object.

• Work

• Wedge

• Wheel and Axle

A ____________ has two slanted sides that end in a sharp edge.

• lever

• inclined plane

• wedge

A ____________ is a round wheel attached to a post.

• pulley

• wheel and axle

• screw

A ____________ machine is two or more simple machines that are put together.

• complex

• simple

• work