Energy Work Power

Front

What is the formula for calculating power?

Back

P = W/t (Power = Work done / Time taken)

Front

What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or height.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object due to its motion.

Front

How is gravitational potential energy calculated?

Back

Gravitational potential energy (PE) = mgh (mass x gravity x height)

Front

What happens to potential energy as an object falls?

Back

As an object falls, its potential energy decreases while its kinetic energy increases.

Front

At which point in a pendulum's swing is kinetic energy greatest?

Back

Kinetic energy is greatest at the lowest point of the swing.

Front

At which point in a pendulum's swing is potential energy greatest?

Back

Potential energy is greatest at the highest points of the swing.

Front

What is the relationship between work and energy?

Back

Work done on an object results in a change in energy.

Front

What is the unit of power?

Back

The unit of power is the Watt (W), which is equal to one Joule per second.

Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.