Chapter 3: Simple Machines Flashcard

Front

The rate at which work is done is called ____.

Back

Power

Front

What unit do we measure work with?

Back

Joule

Front

Name this simple machine: a device that helps lift or lower loads using a wheel and a rope.

Back

Pulley

Front

What is a simple machine that consists of a flat surface tilted at an angle?

Back

Inclined Plane

Front

Which simple machine is used to separate two objects or portions of an object?

Back

Wedge

Front

What is the term for the force applied to a simple machine?

Back

Effort

Front

Which example illustrates the use of a simple machine?

Back

A man pushes his trolley up a ramp.

Front

Which of the following is defined as work done per unit of time?

Back

Power

Front

What is the formula for calculating work?

Back

Work = Force x Distance

Front

What is the relationship between power, work, and time?

Back

Power = Work / Time