Work, Power & Simple Machines

Front

What is Work in physics?

Back

Work is defined as the product of force and the distance over which it acts. It is calculated using the formula: Work = Force x Distance.

Front

What is the formula to calculate Work?

Back

Work = Force x Distance.

Front

What is Power in physics?

Back

Power is the rate at which work is done or energy is transferred. It is calculated using the formula: Power = Work / Time.

Front

What is the unit of Power?

Back

The unit of Power is the Watt (W).

Front

What is the unit of Work?

Back

The unit of Work is the Joule (J).

Front

What is a Simple Machine?

Back

A simple machine is a device that changes the direction or magnitude of a force. Examples include levers, pulleys, and inclined planes.

Front

What type of simple machine is a lever?

Back

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

Front

How does a pulley work?

Back

A pulley is a simple machine that uses a wheel and a rope to lift or lower objects, changing the direction of the force applied.

Front

What is an inclined plane?

Back

An inclined plane is a flat surface that is tilted at an angle to help raise or lower objects with less effort.

Front

What is the relationship between Work, Power, and Time?

Back

Power is the amount of work done per unit of time. If more work is done in less time, the power is greater.