formulae for forces and motion Flashcards
1
Q
average speed=
A
distance moved / time taken
2
Q
acceleration=
A
change in velocity / time taken
3
Q
force=
A
mass X acceleration
4
Q
weight=
A
mass X gravity
5
Q
momentum=
A
mass X velocity
6
Q
force=
A
change in momentum / time taken
7
Q
moment=
A
force X perpendicular distance from pivot
8
Q
orbital speed=
A
(2 X pi X orbital radius)
/time period