# Equations

• Created by: eleni28
• Created on: 29-05-15 07:55
What is the equation for speed?
s=d/time
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What is the equation for acceleration?
a=(v-u)/time
2 of 19
What is the equation for velocity?
v=increase in displacement/time
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What is the equation for average velocity?
average velocity= (u+v)/2
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What is the equation that links acceleration, force and mass?
F=m*a
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What is the equation that links mass, gravity and weight?
W=m*g
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What is the equation for momentum?
p=m*v
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What is the equation for rate of increase of momentum?
F=(mv-mu)/time
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What is the equation for momentum of collisions?
p before collision= p after collision
9 of 19
What is the equation for a moment?
moment= F*d
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What is the equation for moments in balance?
sum of clockwise moments= sum of anticlockwise moments
11 of 19
What is the equation for orbital speed?
12 of 19
What is the equation for charge?
Q= I*t
13 of 19
What is the equation for voltage?
V= I*R
14 of 19
What is the equation for efficiency?
useful (energy output/total energy output)*100
15 of 19
What is the equation for work done?
W= F*d
16 of 19
What is the equation for change in GPE?
GPE= m*g*h
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What is the equation for kinetic energy?
KE= 1/2mv*v
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What is the equation for power?
P= W/t
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## Other cards in this set

### Card 2

#### Front

What is the equation for acceleration?

a=(v-u)/time

### Card 3

#### Front

What is the equation for velocity?

### Card 4

#### Front

What is the equation for average velocity?

### Card 5

#### Front

What is the equation that links acceleration, force and mass?