physics - forces Flashcards
1
Q
weight
A
mass x gravitational field strength
2
Q
work done
A
force x distance
3
Q
force
A
spring constant x extension
4
Q
moment of force
A
force x distance
5
Q
pressure
A
force normal to a surface/area of that surface
6
Q
distance travelled
A
speed x time
7
Q
acceleration
A
change in velocity/time taken = final velocity -initial velocity/time taken
8
Q
resultant force
A
mass x acceleration
9
Q
momentum
A
mass x velocity
