Simple Machines

A hammer would be an example of which type of simple machine?

• Inclined plane

• Pulley

• Wheel and axle

• Lever

Identify the simple machine in the picture.

• Screw

• Wheel and axle

• Wedge

• Pulley

A crane would be an example of which type of simple machine?

• Wedge

• Wheel and axle

• Pulley

• Lever

Identify the simple machine in the picture.

• Inclined plane

• Wedge

• Lever

• Screw

A door knob would be an example of which type of simple machine?

• Pulley

• Wheel and axle

• Screw

• Inclined plane

Compound machines consist of two or more simple machines combined together to make work easier and increase the mechanical advantage. What two simple machines are used in a corkscrew?

• Pulley and a wedge

• Wedge and a screw

• Lever and an inclined plane

• Screw and a lever

Answer explanation

A drill bit would be an example of which type of simple machine?

• Lever

• Wedge

• Incline plane

• Screw

Compound machines consist of two or more simple machines combined together to make work easier and increase the mechanical advantage. What three simple machines are used in a can opener?

• Wedge , wheel/ axle, and inclined plane.

• Wedge, lever, and wheel/ axle.

• Inclined plane, screw, and wheel/ axle.

• Pulley, wheel/axle, and wedge.

Answer explanation

Compound machines consist of two or more simple machines combined together to make work easier and increase the mechanical advantage. What three simple machines are used in a bicycle?

• Wheel/ axle, pulley, and a lever.

• Inclined plane, pulley, and wheel/ axle.

• Wedge, lever, and screw.

• Screw, lever, and Inclined plane.

Answer explanation

Identify the simple machine in the picture.

• Inclined plane

• Wedge

• Pulley

• Screw