Work, Power, and Simple Machines

Front

What is the unit used to measure Power?

Back

Watt

Front

What type of simple machine is a ramp?

Back

Inclined Plane

Front

What consists of two circular objects; a central shaft and a wheel?

Back

Wheel and axle

Front

Which of the following is not considered a simple machine? The pump, The wheel & axle, The wedge, The screw, The pulley

Back

The pump

Front

A simple machine that is actually a kind of inclined plane is a?

Back

Wedge

Front

What is the definition of Work in physics?

Back

Work is done when a force causes an object to move in the direction of the force.

Front

What is the formula for calculating Power?

Back

Power = Work / Time

Front

What is a Lever?

Back

A lever is a simple machine that consists of a rigid bar that pivots around a fixed point called the fulcrum.

Front

What is an example of a wheel and axle in everyday life?

Back

A doorknob is an example of a wheel and axle.

Front

What is the purpose of a pulley?

Back

A pulley is used to change the direction of a force and can also be used to lift heavy objects.