Front

What is a pulley?

Back

A simple machine that consists of a wheel on an axle or shaft that is designed to support movement and change the direction of force, often used to lift heavy objects.

Front

What is the fixed point on a lever called?

Back

Fulcrum.

Front

What are the units of work?

Back

Joules.

Front

What class of lever has the fulcrum in the middle?

Back

1st class lever.

Front

What is a lever?

Back

A simple machine that consists of a rigid bar that pivots around a fixed point (fulcrum) to lift or move loads.

Front

What is an inclined plane?

Back

A flat surface that is tilted at an angle to help raise or lower objects with less effort.

Front

What is the formula for calculating work?

Back

Work = Force x Distance.

Front

What is the difference between input force and output force in a machine?

Back

Input force is the force applied to a machine, while output force is the force exerted by the machine.

Front

What is mechanical advantage?

Back

The ratio of output force to input force in a machine, indicating how much a machine multiplies force.

Front

What is a wheel and axle?

Back

A simple machine consisting of a larger wheel attached to a smaller axle, used to reduce friction and make it easier to move or lift objects.