Equations Flashcards
1
Q
weight = mass × gravitational field strength g
A
W=mg
2
Q
work done = force × distance along the line of action of the force
A
W=Fs
3
Q
Force applied to a spring = spring constant × extension
A
F=ke
4
Q
distance travelled = speed × time
A
S = vt
5
Q
acceleration = change in velocity / time taken
A
a=∆v / t
6
Q
Resultant force = mass × acceleration
A
F=ma
7
Q
momentum = mass × velocity
A
P = mv
8
Q
kinetic energy = 0.5 × mass × speed 2
A
E k = 1/2 m v 2
9
Q
gravitational potential energy = mass
× gravitational field strength g × height
A
Ep = m g h
10
Q
power= energy transferred / time
A
P = Et
11
Q
Power= work done / time
A
P = W/t
