Equations Flashcards
1
Q
Distance travelled=
A
Average speed x time
2
Q
Acceleration=
A
Change in velocity/time taken
3
Q
force=
A
Mass x acceleration
4
Q
Weight=
A
Mass x gravitational field strength
5
Q
Efficiency =
A
Useful energy/total energy
6
Q
Momentum=
A
Mass x velocity
7
Q
Wave speed=
A
Frequency x wavelength
8
Q
Density =
A
Mass/volume
9
Q
Work done=
A
Force x distance moved in direction of force
10
Q
Change in GPE=
A
Mass x GFS x change in vertical height
11
Q
Kinetic energy=
A
0.5 x mass x V(2)
12
Q
Power=
A
Work done/time taken
13
Q
Energy transferred=
A
Charge moved x potential difference
14
Q
Charge=
A
Current x time
15
Q
Potential difference=
A
Current x resistance