Topic3 Flashcards
1
Q
how do you find weight from mass and gfs
A
W= M x GFS
2
Q
GFS from mass+weight?
A
GFS= W/M
3
Q
Mass from GFS+weight
A
M= W/GFS
3
Q
Work done from force&distance?
A
WD= F x D
4
Q
Distance from work done&force
A
D=WD/F
5
Q
Force from work done&distance
A
F=WD/D
6
Q
GPE from mass&GFS&^H
A
GPE= M x GFS x ^H
7
Q
^height from GPE & mass &GFS
A
^H= GPE/MxGFS
8
Q
mass from GFS&^H & GPE
A
M= GPE/^H x GFS
9
Q
kinetic energy from mass & velocity
A
KE= 0.5 x M x V
10
Q
velocity from KE & M
A
KE/0.5 x M= V square root
11
Q
Mass from KE & velocity
A
M= KE/ 0.5 x V squared
12
Q
Elastic energy
A
Ee = 0.5 x k x e2
13
Q
power
A
p = energy / time
14
Q
efficiency
A
total useful energy / total input energy x 100
