Simple Machines

Which is not a simple machine?

• pulley

• spring

• screw

• wedge

Which statement best describes when work is done?

• A force is applied to an object

• A weight lifter is able to hold a dumbbell in place.

• An object moves in the direction the force is applied

• An object moves

What type of simple machine is found on the lid of a pickle jar or on the top of a bottle?

• screw

• lever

• wheel and axle

• inclined plane

What is the fixed point upon which a lever rotates?

• fulton

• fulcrum

• furmen

• falcon

What type of simple machine is a ramp?

• wedge

• inclined plane

• screw

• pulley

Which of these is an example of a wedge?

• stairs

• broom

• butter knife

• skateboard

An inclined plane wrapped around a cylinder is a _______.

• wheel & axle

• level

• wedge

• screw

Which of these is not an example of an inclined plane?

• ladder

• stairs

• wall

• playground slide

Which is an example of someone using a simple machine to do work?

• a boy runs across a football field

• a banker counts money

• a mother pushes a stroller up a ramp into a building

• a girl eats a sandwich

Jan is using a screwdriver to insert a screw. The screwdriver is being used as a _______.

• a wheel and axle

• a lever

• a wedge

• a pulley