Equation Flashcards
0
Q
Speed on distance time graph
A
Gradient
1
Q
Speed
A
Total distance / time taken
2
Q
Acceleration
A
A = (v-u )/t
3
Q
Weight
A
Mass x10
4
Q
Density
A
Mass / volume
5
Q
Extension
A
Force = spring constant x extension
6
Q
Resultant force
A
Mass x acceleration
7
Q
Moment
A
Force x perpendicular distance to pivot
8
Q
Energy efficiently
A
Useful output energy / total input energy
9
Q
Work done
A
Work = force x distance
10
Q
GPE
A
Mass x gravity x height
11
Q
KE
A
0.5 x mass x speed ^2
12
Q
Power
A
Work done / time taken
Energy / time
13
Q
Pressure
A
Force / area
Pressure x volume = constant
14
Q
Pressure in liquid
A
Height x density x gravity