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Weight and force are the same, and measured in Newton's.

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Weight and force are the same, and measured in Newton's.

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Mass is measured in Kg and is converted  into Newton's  by multiplying  it with the force of gravity  (9.81)

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Copper has 29 Protons and 29 Electrons

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The electrons in your body have been everywhere in the universe simoutaneously

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Protons have a positive electrical charge.

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Energy is a constant throughout the universe and cannot be destroyed it can only be transferred and is up to use to see how we use theses energys such as light and heat

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F=mXg

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Acceleration is the effect of gravity, this is normally taken as being a constant value of 9.81

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Electrons move around a atom so fast they are in two places at once

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In a d.c. Series circuit:voltage adds up and current stays the same.
In a d.c. Parrallel circuit: voltage stays the same and current adds up.

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Energy is the same as work done. Weight is the same as force.

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To work out the resisters in a series circuit you just add them together e.g. x+x+x=x
To work out the resisters in a parallel circuit you have to times them to the power if minis one e.g. x-1+x-1+x-1=x-1=x

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Gravity on earth is 9.81 metres per second squared.
R

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Ohm's law
I = V÷R
V = I×R
R = V÷I

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d.c series circuit the current will stay the same but voltage is added up together

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Everything on planet earth is made up of several atoms,no one has ever seen one even with the most powerful microscopes
J

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Force and weight are the same thing.

P = V X I

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mechanical advantage,
a lever is something used to lift or move objects using your weight (force).
3 types of levers:
class 1/ first order levers are pliers, claw hammer or scissors.

class 2/second order levers are wheel barrows or pipe benders.

class 3/third order levers are tweezers or elbow.
Danny Cheetham

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No one has ever seen an atom, but everything is made of them

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Electrons flow positive to negative
Current flows negative to positive

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Wattmeters measure power in a circuit, which is determined by multiplying VOLTAGE and CURRENT together.

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A group of electrons is called CHARGE and is given the symbol Q.

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                                                  Stage 2 Top Tips!

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                                                  Stage 2 Top Tips!

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