Equations Flashcards
1
Q
weight
A
mass × gravitational field strength
2
Q
work done
A
force × distance
3
Q
force applied to a spring
A
spring constant × extension
4
Q
distance travelled
A
speed × time
5
Q
acceleration
A
change in velocity divided by
time taken
6
Q
resultant force
A
mass × acceleration
7
Q
kinetic energy
A
0.5 × mass × speed-squared
8
Q
gravitational potential energy
A
mass × gravitational field strength g × height
9
Q
power
A
energy transferred/
time
10
Q
efficiency
A
useful output energy transfer/
total input energy transfer
11
Q
wave speed
A
frequency × wavelength
12
Q
density
A
mass/
volume
