simple machines

Front

What is a simple machine that has a wheel over which rope or chains are pulled?

Back

pulley

Front

What simple machine has a wheel with a groove on it that keeps a rope in place?

Back

pulley

Front

Which type of simple machine would be found on the bottom of a wagon?

Back

a wheel and axle

Front

What type of simple machine is used to move a wheelchair into a school bus?

Back

inclined plane

Front

What type of simple machine is found on the cap of a pickle jar?

Back

screw

Front

What is the definition of a simple machine?

Back

A device that changes the direction or magnitude of a force.

Front

Name the six types of simple machines.

Back

Lever, Wheel and Axle, Pulley, Inclined Plane, Wedge, Screw.

Front

How does a lever work?

Back

A lever amplifies an input force to lift or move a load by using a fulcrum.

Front

What is the purpose of an inclined plane?

Back

To reduce the amount of force needed to lift an object by increasing the distance over which the force is applied.

Front

What is a wedge and how does it function as a simple machine?

Back

A wedge is a triangular-shaped tool that converts a force applied to its blunt end into forces perpendicular to its inclined surfaces.