6 Ch 11 Vocab Flashcard

Front

The number of times a simple machine multiplies an effort force.

Back

Mechanical advantage

Front

Ratio of work done by a machine to work input

Back

efficiency

Front

A physical law stating every action has an equal and opposite reaction.

Back

Newton's third law of motion

Front

Kinetic heat energy in a substance

Back

Thermal energy

Front

Description of a moving object's speed and direction

Back

velocity

Front

A device combining two or more simple machines.

Back

compound machine

Front

A push or pull by one object on another, causing a change in motion.

Back

force

Front

State of being without weight

Back

weightlessness

Front

Mass of an object x velocity

Back

momentum

Front

Length between two places

Back

distance