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AQA GCSE Physics > Formular > Flashcards

Flashcards in Formular Deck (20)
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1

Weight?

Weight = mass * gravitational field strength

W=mg

2

Work done?

Force*displacement

W=fs

3

Kinetic energy?

=1/2 * mass * speed2

=1/2mv2

4

Pressure?

=force/area

=f/a

5

Gravitational potential energy?

= mass * height * gravitational field strength

Ep=mgh

6

Power? (Work done)

= work done/time

P=w/t

7

Efficiency?

Useful energy output/ total energy output

8

Wave speed?

Wave speed= frequency * wavelength

V=f*lambda

9

Power? (Energy transferred)

Power = energy transfer / time

P=e/t

10

Charge flow?

Charge flow (coulombs) =current*time

Q=IT

11

Potential difference?

= current * resistance

V=IR

12

Power? (Current)

=current * potential difference

P=IV

13

Power? (Resistance)

=current2 * resistance

P=i2r

14

Energy transferred?

=charge flow*potential difference

E=QV

15

Density?

=mass/volume

P=m/v

16

Displacement?

=velocity*time

S=vt
V=s/t

17

Resultant force?

=mass * acceleration

F=ma

18

Momentum?

=mass*velocity

P=mv

19

Force on spring?

=constant*extension

F=ke

20

Acceleration?

=change in velocity/time
Taken

A=v-u/t