simple machines

Front

What is a simple machine?

Back

A device that helps makes work easier.

Front

What is the formula needed to solve for work?

Back

w = f * d

Front

In a wheel and axle, the wheel travels a longer ________ but takes ____ force.

Back

Distance, less

Front

Using a lever, if you lift a 10,000 N car with a force of 1000 N, what is the mechanical advantage?

Back

10

Front

Simple machines can make work easier by reducing the effort force needed to move an object. What is the trade off?

Back

You have to move a greater distance.

Front

What is the definition of mechanical advantage?

Back

The ratio of the output force to the input force in a machine.

Front

What are the six types of simple machines?

Back

Lever, wheel and axle, pulley, inclined plane, wedge, screw.

Front

How does a lever work?

Back

A lever amplifies an input force to lift a load with less effort.

Front

What is the purpose of an inclined plane?

Back

To reduce the amount of force needed to lift an object by increasing the distance.

Front

What is a pulley?

Back

A simple machine that uses a wheel and a rope to lift or lower objects.