physics equations Flashcards
1
Q
force
A
f = ma
2
Q
acceleration (change in velocity)
A
a=(v-u)/(t)
3
Q
= 2ax
A
(v^2) - (u^2) = 2ax
4
Q
make x the subject
A
x = (v^2) - (u^2) / 2a
5
Q
make v the subject
A
v = at + u
6
Q
make u the subject
A
u = v - at
7
Q
stopping distances
A
thinking distance + braking distance
8
Q
momentum
A
p = mv
9
Q
force (change in velocity)
A
f = (mv)-(mu)/t
10
Q
work done
A
w = fd
11
Q
power
A
p = w/t
12
Q
weight
A
w = mg
13
Q
change in GPE
A
△GPE = mg△h
14
Q
GPE
A
mgh
15
Q
kinetic energy
A
KE = 1/2 mv^2
