Physics Equations yr 10 Flashcards
1
Q
Weight =
A
Mass x gravitational field strength
W=mg
2
Q
Force applied to a spring =
A
Spring constant x extension
F=ke
3
Q
Acceleration =
A
Change in velocity/time taken
a=change in v/t
4
Q
Momentum=
A
Mass x velocity
p=mv
5
Q
GPE =
A
mass x gravitational field strength x height
Ep=mgh
6
Q
Power =
A
Work done/time
P=W/t
7
Q
Efficiency =
A
useful power output/total power output
No symbol equation
8
Q
energy transferred =
A
Power x time
E=Pt
9
Q
Work done =
A
Force x distance (along the line of action of the force)
W=Fs
10
Q
Distance travelled =
A
Speed x time
s=vt
11
Q
Resultant force =
A
Mass x acceleration
F =ma
12
Q
Kinetic energy =
A
0.5 x mass x (speed)squared
Ek=1/2mv*2
13
Q
Power =
A
Energy transferred/time
P=E/t
14
Q
Wave speed =
A
Frequency x wavelength
v=f(wavelenght symbol)
15
Q
Density
A
Mass/volume
