equations Flashcards
1
Q
work done
A
work done = force x distance
2
Q
kinetic energy
A
kinetic energy = 1/2 x mass x speed^2
3
Q
GPE
A
GPE = mass x height x gravity
4
Q
power
A
power = work done/time
5
Q
efficiency
A
efficiency = useful output / input
6
Q
charge
A
charge = current x time
7
Q
potential difference
A
potential difference = current x resistance
8
Q
power
A
power = potential difference x current
9
Q
current
A
current = resistance x potential difference
10
Q
energy transferred
A
energy transferred = charge flow x potential difference
11
Q
density
A
density = mass / volume
12
Q
moment
A
moment = force x distance
13
Q
distance
A
distance = speed x time
14
Q
acceleration
A
acceleration = change in velocity/ time taken
15
Q
weight
A
mass x gravity
