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Important formulae
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11
Physics
Not Applicable
08/03/2007

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Cards

Term
what is the formula for acceleration?
Definition
[image] acceleration = change in velocity divided by change in time
Term
formula for potential difference? (voltage)
Definition
V=IR

voltage = current x resistance
Term
what is the formula for force?
Definition
F=ma

force = mass x acceleration
Term
what is the formula for the force of gravity?
Definition
Fgravity = mg

Force gravity = mass x gravitational field strength
Term
what is the formula for momentum?
Definition
p=mv

momentum = mass x velocity
Term
what is the formula for kinetic energy?
Definition
KE=1/2mv^2

kinetic energy = half mass x velocity squared
Term
What is the formula for weight?
Definition
weight = mass × acceleration

w=ma
Term
What is the gravitational field strenght on earth approx?
Definition
10 N/kg
Term
what is force measured in?
Definition
N - newtons
Term
what is mass measured in?
Definition
Kg - kilograms
Term
what is acceleration measured in?
Definition
m/s^2
metre per second squared
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