Physics Equations Flashcards
1
Q
To work out average speed:
A
Time taken
2
Q
To work out acceleration
A
Time taken
3
Q
To work out force
A
Mass x acceleration
4
Q
To work out weight
A
Mass x g
5
Q
To work out momentum
A
Mass x velocity
6
Q
To work out force (newtons 2nd law)
A
Time taken
7
Q
To work out momentum (of a pivot)
A
Force x perpendicular distance from the pivot
8
Q
To work out efficiency
A
Total energy output
9
Q
To work out work done
A
Force x distance moved
10
Q
To work out GPE
A
Mass x g x height
11
Q
To work out stopping distance
A
Thinking distance + braking distance
12
Q
To work out power
A
Time
13
Q
To work out kinetic energy
A
2 is squared
1/2 x mass x velocity#2
14
Q
To find mass
Using Ek and velocity
A
2 is squared
V#2
15
Q
To work out velocity
Using Ek and mass
A
_________
/ 2Ek
/ ——-
___/ M
