Vocab Development 2.1

Front

Support on which a lever turns.

Back

fulcrum

Front

Push or pull on an object.

Back

force

Front

A ramp for moving heavy objects up and down heights.

Back

inclined plane

Front

A simple machine used to cut two objects.

Back

wedge

Front

Definition of 'complex machine':

Back

Any machine using two or more simple machines to simplify work.

Front

A sturdy body resting on a fulcrum, where it pivots.

Back

lever

Front

Definition of 'wheel and axle':

Back

Uses a wheel with a rod as an axle to lift or move loads.

Front

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

Back

Simple machine

Front

A wheel that lifts or lowers heavy objects using a belt, rope, or chain.

Back

pulley

Front

She tightened the _________ so the chair leg was secure.

Back

screw