Work & Simple Machines

Front

What is effort (input) force?

Back

The force required by a machine in order to accomplish work (the force you put on the machine).

Front

What type of simple machine are stairs?

Back

Inclined plane.

Front

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

Back

10.

Front

What simple machine is formed by an inclined plane wrapped around a rod?

Back

Screw.

Front

What type of simple machine is a wheel and axle?

Back

A simple machine that consists of a wheel attached to a smaller axle, allowing for easier movement.

Front

What is a lever?

Back

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

Front

What is the formula for mechanical advantage?

Back

Mechanical Advantage = Output Force / Input Force.

Front

What is a pulley?

Back

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

Front

What is a wedge?

Back

A simple machine that is a triangular-shaped tool used to separate objects or hold them together.

Front

What is the purpose of a simple machine?

Back

To make work easier by allowing us to apply less force over a greater distance.