Formulas Flashcards
1
Q
Average Speed =
A
total distance gone / total time taken
2
Q
Speed or Velocity =
A
gradient of speed - time graph
3
Q
Acceleration =
A
(v-u) / t
4
Q
Distance gone =
A
area under velocity - time graph
5
Q
Force =
A
mass x acceleration
6
Q
Weight =
A
mass x g
7
Q
Efficiency =
A
Useful energy out/ Total energy in x100
8
Q
Work =
A
Force x distance (in direction of force)
9
Q
Power =
A
work done or energy used up (Joules) / time take (seconds)
10
Q
GPE =
A
mass x g x height (change)
11
Q
KE =
A
1/2 x mass x speed^2
12
Q
Like Charges =
A
Repel
13
Q
Unlike charges =
A
Attract
14
Q
Charged objects will =
A
Attract uncharged ones
15
Q
Charge =
A
Current x time (seconds)
