Work, Simple Machines, and Mechanical Advantage

Front

What is a simple machine that is commonly used to raise a flag?

Back

Pulley

Front

What is the correct unit for measuring force?

Back

Newtons

Front

In a lever system, what is the term for the point where the lever pivots?

Back

Fulcrum

Front

What happens to an object when a force is applied?

Back

It moves.

Front

How can you increase the mechanical advantage of a lever?

Back

Move the fulcrum closer to the load.

Front

What is the definition of mechanical advantage?

Back

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

Front

What type of simple machine is a wheelbarrow?

Back

Lever (specifically a class 2 lever).

Front

What is the formula for calculating work done?

Back

Work = Force x Distance.

Front

What is the unit of measurement for work?

Back

Joules.

Front

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

Back

Power = Work / Time.