Physics Equations Flashcards Preview

GCSE Physics 9-1 and Combined (Edexcel) > Physics Equations > Flashcards

Flashcards in Physics Equations Deck (22)
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1
Q

Distanced travelled

A

Speed x time

2
Q

Acceleration

A

change in velocity/ time {a= v-u/t}

3
Q

force

A

Mass x acceleration {f=ma}

4
Q

weight

A

mass x gravitational field strength {w= mg}

5
Q

efficiency

A

useful/total

6
Q

momentum

A

mass x velocity {p=mv}

7
Q

wave speed

A

frequency x wavelength {v=fλ)

8
Q

wave speed 1

A

distance/time {v= 𝑥/t}

9
Q

density

A

mass/volume {ρ=m/V}

10
Q

work done

A

force x distance moved in direction of force

{E= Fd}

11
Q

Change in GPE

A

Mass x gfs x change in height

{ΔGPE= mgΔh}

12
Q

Kinetic energy

A

1/2x mass x speed²

{KE=1/2mv²}

13
Q

Power 2

A

work done/ time

{P= E/t}

14
Q

Energy transferred

A

charge moved x potential difference

{E= QV}

15
Q

Charge

A

current x Time {It}

16
Q

Potential difference

A

current x resistance {V= IR}

17
Q

power

A

energy transferred/ time taken

{P= E/t}

18
Q

electrical power

A

current x potential difference

{P=IV}

19
Q

electrical power 2

A

current² x resistance

{P= I²R}

20
Q

force exerted on a spring

A

spring constant x extension

{F= k𝑥}

21
Q

moment of a force

A

force x distance normal to direction of force

22
Q

pressure

A

force normal to surface/ area of surface

{P= F/A}