Work and Mechanical Advantage

Front

What is effort (input) force?

Back

The force a person has to apply to the machine.

Front

What is mechanical advantage?

Back

A specific number by which a machine can multiply your input force.

Front

What is the formula for mechanical advantage?

Back

MA = Output Force / Input Force.

Front

What is a load in the context of machines?

Back

The object being lifted or moved.

Front

Which simple machine would most likely increase the distance and reduce the force needed for a rolling cart to be moved up three steps?

Back

Inclined plane.

Front

What is the role of a fulcrum in a lever?

Back

The point around which the lever pivots.

Front

What is work in physics?

Back

The energy transferred when a force is applied to an object over a distance.

Front

How do you calculate work done?

Back

Work = Force x Distance.

Front

What is the unit of work?

Back

Joule (J).

Front

What is a simple machine?

Back

A device that makes work easier by allowing us to push or pull over increased distances.