P2: Movement, Forces, Energy and Momentum

This is a document for students taking AQA Additional Science. This contains pretty much everything from the physics section apart from the electricity section and the nuclear physics. This is based on everything from the specification and from my revision books. It is written in simple sentences for revision. I hope this helps you to revise! Please rate and comment on how to improve :D Also, I have a study group called AQA Additional Science where we discuss topics such as this one and many more, feel free to become a member, the more the merrier! Study group: http://getrevising.co.uk/studygroups/aqa_additional_science

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  • Created by: I P B
  • Created on: 03-01-10 13:01

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P2: Movement, Forces, Momentum and

As physics is a hard topic, the specification of the exams has
been used to make notes on only the area we NEED to know. The
notes have been written in small sentence format for easier

The speed is how fast an…

Page 2

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Velocity time Graph
The slope of a velocity time graph represents acceleration

The area under a velocity time graph represents the distance

Equal and Opposite Forces
Whenever two objects push or pull on each other, they exert an
equal but opposite force on each other.

The unit of force…

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When a vehicle travels at a steady speed the frictional forces
balance the driving force

Stopping Distance
The greater the speed of the vehicle the greater the braking force
needed to stop it in a certain distance

The stopping distance of the vehicle depends on the distance the
vehicle travels…

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When a force causes a body to move through a distance, energy
is transferred and work is done

Work done = energy transferred

Work done (J) =force applied(N) X distance moved (m)

Work done against frictional forces is mainly transformed into heat

For an object that is able to recover…

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Speed = the rate at which an object moves

Velocity = the speed at which an object moves in a particular

Velocitytime graph = represents acceleration (velocity against
time taken)

Energy = the capacity of a physical system to do work measured
in Joules (J)

Force = a push…


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