Equations Flashcards
1
Q
Weight=
A
Mass x gravitational field strength (9.8)
2
Q
Force applied to a spring=
A
Spring constant x extension
3
Q
acceleration=
A
change in velocity / time taken
4
Q
Momentum=
A
Mass x velocity
5
Q
Gravitational potential energy=
A
Mass x gravitational field strength x height
6
Q
Charge flow=
A
current x time
7
Q
power=
A
work done / time
8
Q
efficiency
A
useful power output / total power output
9
Q
power (2)=
A
potential difference x current
10
Q
energy transferred=
A
Power x time
11
Q
Density
A
mass / volume
12
Q
Work done=
A
Force x distance
13
Q
speed=
A
Distance/ time
14
Q
resultant force=
A
mass x acceleration
15
Q
kinetic energy=
A
0.5 x mass x (speed)2 (squared)
