Equations Flashcards
1
Q
weight
A
mass x gravity
2
Q
force on a spring
A
force x extension
3
Q
acceleration
A
change in velocity / time
4
Q
momentum
A
mass x velocity
5
Q
speed
A
distance / time
6
Q
force
A
mass x acceleration
7
Q
power
A
work done / time
8
Q
efficiency
A
total efficiency out / total efficiency in
9
Q
kinetic energy
A
0.5 x mass x velocity^2
10
Q
gravitational potential energy
A
gravitational field strength x mass x height
11
Q
work done
A
force x distance
12
Q
charge
A
current x time
13
Q
energy
A
potential difference x current
14
Q
potential difference
A
current x resistance
15
Q
power
A
current x potential difference