# Edexcel Combined - P5 - Fridge Physics

#### Wave Speed

Wave speed is given in meters per second (the number of waves that pass per second)….

#### Force, Mass and Acceleration

An object of constant mass accelerates in proportion to the force applied. Demo In this tutorial you will learn…

#### Kinetic Energy

In physics, the kinetic energy (KE) of an object is the energy that it has due to its motion….

#### Half Life

The radioactivity of a sample decreases over time. Half life is a measurement of this…

#### Gravitational Potential Energy

Lifting an object in a gravitational field transfers energy into the objects gravitational energy store….

#### Efficiency

The efficiency of a device is the proportion of input energy that is converted to…

#### Momentum

All moving objects have momentum. Forces can cause changes in momentum. The total momentum in…

#### Change in Momentum

All moving objects have momentum. Forces can cause changes in momentum. The total momentum in…

#### Uniform Acceleration

Uniform or constant acceleration is a type of motion in which the velocity of an object changes by…

#### Acceleration

Acceleration is how quickly the velocity is changing whether it be speed, direction or both….

#### Speed

Speed is how fast an object is moving in no given direction. Velocity is how…

#### Weight on the Moon

Weight is the force acting on an object due to gravity. The weight of an object is…

#### Weight on Earth

Weight is the force acting on an object due to gravity. The weight of an object can…

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