EQUATIONS Flashcards
1
Q
weight = mass x gravity
A
W = m g
2
Q
work done = force x distance
A
W = F s
3
Q
force applied to a spring = spring constant x extension
A
F = k e
4
Q
moment of a force = force x distance
A
M = F d
5
Q
pressure = force normal to a surface/ area of that surface
A
p = f/a
6
Q
speed = distance/time
A
v = s/t
7
Q
Acceleration = change in velocity/time taken
A
a = change in v/t
8
Q
resultant force = mass x acceleration
A
f = m a
9
Q
momentum = mass x velocity
A
p = m v
10
Q
kinetic energy = 0.5 x mass x (speed)2
A
Ek = 1/2mv2
11
Q
Gravitational potential energy = mass x GFS x height
A
Ep = m g h
12
Q
power = energy transferred/ time
A
P = E/t
13
Q
power = work done/ time
A
P=W/t
14
Q
Wave speed = frequency x wavelength
A
v = f ^Y
15
Q
charge flow = current x time
A
Q = I t
