Formula Flashcards
1
Q
Weight
A
Mass x gravitational field strength
2
Q
Work done
A
Force x distance along the line of action of the force
3
Q
Force applied to a spring
A
Spring constant x exstension
4
Q
Moment of a force
A
Force x distance normal to direction of force
5
Q
Pressure
A
Force normal to a surface
area of that surface
6
Q
Distance
A
Sped x time
7
Q
Acceleration
A
Change in velocity
Time taken
8
Q
Resultant force
A
Mass x acceleration
9
Q
Momentum
A
Mass x velocity
10
Q
Efficiency
A
Useful output energy transfer
Useful input energy transfer
12
Q
Kinetic energy
A
0.5 x mass x velocity^2
13
Q
Power
A
Work done
Time
14
Q
Efficiency
A
Useful power output
Total power output
16
Q
GPE
A
Mass x gravitational field strength x height
18
Q
Power
A
Energy transferred
Time
