formula for physics Flashcards
(15 cards)
1
Q
newton first law
A
f=mass x acceleration
2
Q
mass formula
A
m=F/a
3
Q
weight
A
w=mg
4
Q
density
A
p=mass/volume
5
Q
density formula when mass inst known
A
mass=density x volume
6
Q
pressure
A
force/area
7
Q
acceleration
A
(final velocity-initial velocity)/time
8
Q
moment
A
force x perpendicular distance
9
Q
momentum
A
mass x velocity
10
Q
velocity
A
displacement/time
11
Q
work
A
force x distance
12
Q
power
A
work done/time taken
13
Q
kinetic energy
A
1/2 x m x vsquared
14
Q
PE(potential energy) and unit
A
m x g x h and unit is jules
15
Q
g(gravity)
A
always 9.8 unless they give sthm else in paper
