Physics P2 Revision Complete

The whole of P2 summed up. For edexcel exam board. C2, P1, B1 and C1 coming soon x

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  • Created by: 11taskerc
  • Created on: 29-10-15 17:30
Preview of Physics P2 Revision Complete

First 100 words of the document:

Static electricity
Uses and dangers
Electric currents
Current and voltage
Resistance, current and voltage
Transferring energy
Vectors and velocity
Velocity and acceleration
Resultant forces
Forces and acceleration
Terminal velocity
Stopping distances
Momentum and safety
Work and power
Potential and kinetic energy
Braking and energy calculations
Ionising radiation
Nuclear reactions
Nuclear power
Fusion ­ our future?
Changing ideas
Nuclear waste
Uses of radiation
Static Electricity

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Page 2

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Have a nucleus containing protons and neutrons
Electrons surround the nucleus
Atom has no overall charge
Electrostatic charges:
Insulating materials can be given an electrostatic charge by rubbing two materials together.
Electrons are transferred from one material to another. The material that has gained electrons has
a negative charge and the other a positive charge.
A charged object can attract uncharged objects, it induces a charge on the object.…read more

Page 3

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The current in a circuit is measured using an ammeter.
The voltage is measured using a voltmeter .
1 volt = 1 joule per coulomb
If the voltage is increased, the current increases, if it is decreased, the current decreases.
Resistance, Current and voltage
Resistance is a way of measuring how hard it is for electricity
to flow through it.
Measured in ohms ().
Higher the resistance, smaller the current.
Aresistors or variable resistors can change the resistance.…read more

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Distance ­ path/route taken
Displacement ­ distance in a straight line from start to finish
Distance-time graphs:
Gradient = speed
Speed is always positive
Velocity can be positive or negative
distance travelled in a certain direction(m)
Velocity(m/s) = time taken(s)
Velocity and Acceleration
Is a change in velocity
Is a vector quantity
change in velocirty(m/s)
Acceleration(m/s2)= time taken(s)
a= t
a = acceleration
v = final velocity
u = initial velocity
t = time taken
Velocity-time graphs:
The area under the graph represents…read more

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Force(N) = mass(kg) × acceleration(m/s2 )
Terminal Velocity
Calculating weight:
The gravitational field strength on
Earth is 10N
Mass must always be in kilograms
Weight(N) = mass(kg) × gravitational field
Mass ­ quantity of matter (doesn't
Weight ­ measure of the pull of gravity
on an object (can change)
Terminal Velocity:
The force of gravity on a large mass is more than on a smaller mass
But the large mass also needs a greater force to accelerate it
The two affects cancel…read more





Are you going to put the other topics that arent highlighted in purple?


What about the other topics that are not highlighted in purple?


The ones highlighted in purple werent included because it was part of GCSE science, not additional science.

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