physics equations for pre-mock Flashcards
1
Q
work done
A
force x distance
2
Q
kinetic energy
A
0.5 x mass x speed²
3
Q
GPE
A
mass x 10 (gravitational field strength) x height
4
Q
power
A
energy transferred / time
5
Q
energy transferred (circuits)
A
charge flow x potential difference
6
Q
power (circuits)
A
current² x resistance
7
Q
potential difference
A
current x resistance
8
Q
charge flow
A
current x time
9
Q
energy transferred
A
power x time
10
Q
efficiency
A
useful output / total input
11
Q
density
A
mass / volume
