Simple Machines Mastery Test

Which of the following are examples of simple machines? (select all that apply)

• screw driver

• see saw

• slide

• sewing machine

• television

Which of the following are examples of compound machines? (select all that apply)

• car

• bicycle

• fishing rod and reel

• ramp

• broom

If an athlete is working out and holds a 50kg weight above their head for 30 seconds, which of the following is true about the situation?

• There is no work being done because the athlete is not moving the weight

• There is no work because the athlete doesn't hold the weight long enough

• There is work because the athlete is supporting the weight, keeping it from falling

• There is work because hold that much weight for that long is hard work

Dave and Bridgett ride their bikes to school. They both live 8 blocks from the school and Bridgett gets to school 3 minutes faster than Dave. Who is working harder?

• Dave

• Bridgett

Ramps and stairs are examples of what type of simple machines?

• wedges

• wheel and axle

• inclined plane

• lever

A nail and axe are examples of which type of simple machine?

• wedge

• screw

• lever

• pulley

Car jacks and swivel chairs are examples of what type of simple machines?

• screw

• wedge

• wheel and axle

• pulley

Crowbars and brooms are examples of which kind of simple machine?

• lever

• inclined plane

• wedge

• screw

Screwdrivers and door knobs are examples of which type of simple machines?

• wheel and axel

• lever

• pulley

• wedge

Flagpoles and window blinds are examples of which type of simple machine?

• pulley

• wheel and axle

• wedge

• inclined plane