Simple Machines

Which simple machine is a rigid bar that pivots on a fixed point called a fulcrum?

• pulley

• lever

• screw

• wheel

Which simple machine consists of a grooved wheel with a rope or chain running along the groove?

• pulley

• lever

• screw

• wedge

Which simple machine is a flat surface with one end higher than the other?

• incline

• slope

• ramp

• hill

Which simple machine consists of a larger wheel attached to a smaller wheel or rod?

• pulley

• lever

• wedge

• screw

Which simple machine is an inclined plane wrapped around a cylinder?

• lever

• screw

• ramp

• pulley

A seesaw is an example of which simple machine?

• pulley

• wheel and axle

• screw

• lever

A flagpole with a pulley system to raise and lower the flag is an example of which simple machine?

• lever

• wheel and axle

• pulley

• inclined plane

A ramp used to load heavy objects onto a truck is an example of which simple machine?

• Lever

• Pulley

• Inclined plane

• Wheel and axle

A bicycle is an example of which simple machine?

• lever

• screw

• wheel and axle

• pulley

A screwdriver is an example of which simple machine?

• pulley

• wheel and axle

• inclined plane

• lever