General Physics- Equations Flashcards
0
Q
For acceleration
A
a=v-u/t
1
Q
For constant motion, including speed/velocity, distance and time
A
Speed=distance/time
2
Q
For weight
A
w=mg
3
Q
For Density
A
Density(rhoo)= m/v
4
Q
For force
A
F=ma
5
Q
Hooke’s law (with force, extension and a spring constant)
A
F=ke
6
Q
For moment
A
Moment force=fd
7
Q
For work done
A
Wd=fd
8
Q
For kinetic energy
A
KE=1/2mv2
9
Q
For potential energy
A
PE=mgh
10
Q
For power
A
P=e/t or P=wd/t
11
Q
For efficiency
A
Efficiency=useful power out/total power in
12
Q
For Pressure
A
P=f/a
13
Q
For Pressure due to liquid
A
P=rhoo(density) x g x h