Simple Machines

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

• Lever

• Inclined plane

• Wheel and axle

• Wedge

Identify the simple machine in the picture.

• Inclined plane

• Wedge

• Pulley

• Screw

A simple machine makes work easier by doing which of the following?

• Increasing the distance through which force is applied.

• Changing the direction of applied force.

• Multiplying the force of the energy applied.

• All of the above.

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

• Lever

• Wedge

• Incline plane

• Screw

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

• Wedge

• Inclined plane

• Wheel and axle

• Lever

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

Identify the simple machine in the picture.

• Screw

• Wheel and axle

• Wedge

• Pulley

Identify the simple machine in the picture.

• Wheel and axle

• Inclined plane

• Lever

• Wedge

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

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

• Pulley

• Wheel and axle

• Screw

• Inclined plane