mechanics equations Flashcards
1
Q
overall force
A
mass x acceleration
2
Q
friction
A
uR
3
Q
sliding angle
A
tan0 = u
4
Q
toppling angle
A
tan-1 (width/height)
5
Q
work done
A
force x distance
power x time
6
Q
driving force
A
power / velocity
7
Q
power
A
work done / time
driving force x velocity
8
Q
kinetic energy
A
1/2 x m x v squared
9
Q
gpe
A
mgh
10
Q
overall energy
A
KE gained = GPE lost
loss in energy = work done
11
Q
energy principal
A
initial energy + work done = final energy
12
Q
momentum
A
mass x velocity
13
Q
impulse
A
change in momentum m(v - u)
force x time
14
Q
e
A
(V2 - V1)/(U1 - U2)
