Chapter 4 Vocab Flashcard

Front

Capacity to do work.

Back

Energy

Front

P=W/t: Measures the rate of work done.

Back

Power

Front

PE=mgh: Energy due to position, shape, or condition.

Back

Potential Energy

Front

MA=RF/EF or ED/RD: A number indicating how many times a machine multiplies force.

Back

Mechanical Advantage

Front

W=Fd: Energy transfer to a body by force causing movement in its direction.

Back

Work

Front

Sum of kinetic and potential energy in an object used to do work

Back

mechanical energy

Front

KE=1/2mv²: Energy due to motion.

Back

kinetic energy

Front

One of the six basic machine types, the foundation for all machines.

Back

simple machine

Front

Ratio of work output to input, expressed as a percentage.

Back

efficiency

Front

A machine made of more than one simple machine.

Back

compound machine