formulas Flashcards
1
Q
acceleration
A
v-u/t
2
Q
weight
A
mass x gravity
3
Q
force
A
acceleration x mass
4
Q
density
A
mass/volume
5
Q
work done (weight)
A
weight x height
6
Q
kinetic energy
A
1/2 x mass x volume2
7
Q
work done (force)
A
force x distance
8
Q
gravitational potential energy
A
mass x gravity x height
9
Q
power (energy)
A
energy transferred / time
9
Q
momentum (force)
A
force x distance
10
Q
momentum (mass)
A
mass x velocity
10
Q
power (work)
A
work done / time
11
Q
efficiency (power)
A
useful power output / total power output
12
Q
force (load)
A
spring constant x extension
13
Q
efficiency (work)
A
useful work done / total energy input
