All equations Flashcards
1
Q
Weight
A
mass x gravitational field strength
2
Q
Work done
A
force x distance
3
Q
Force applied to a string
A
spring constant x acceleration
4
Q
Distance travelled
A
speed x time
5
Q
Acceleration
A
change in velocity / time taken
6
Q
Resultant force
A
mass x acceleration
7
Q
Momentum
A
mass x velocity
8
Q
Kinetic energy
A
0.5 x mass x speed^2
9
Q
Gravitational potential energy
A
mass x gravitational field strength x height
10
Q
Power
A
energy transferred / time
11
Q
Power
A
work done / time
12
Q
Efficiency
A
useful output energy or power transfer / total input energy or power transferred
13
Q
Wave speed
A
frequency x wavelength
14
Q
Charge flow
A
current x time
15
Q
Potential difference
A
current x resistance
