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Equations to LEARN :) Flashcards

1
Q

kinetic energy =

A

kinetic energy = 0.5 × mass × speed 2

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2
Q

Ek=

A

1/2 m x v(squared)

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3
Q

kinetic energy measured in

A

joules

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4
Q

mass measured in

A

kg

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5
Q

speed measured in

A

m/s

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6
Q

weight =

A

mass × gravitational field strength g

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7
Q

work done=

A

force × distance (along the line of action of the force)

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8
Q

force applied to a spring=

A

spring constant × extension

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9
Q

moment of a force =

A

force × distance (normal to direction of force )

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10
Q

pressure=

A

force normal to a surface/ area of that surface

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11
Q

distance travelled=

A

speed × time

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12
Q

acceleration =

A

change in velocity/ time taken

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13
Q

resultant force =

A

mass x acceleration

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14
Q

momentum=

A

mass × velocity

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15
Q

kinetic energy =

A

0.5 × mass × (speed) squared

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16
Q

gravitational potential energy =

A

mass × gravitational field strength (g)
× height

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17
Q

equations for power=
(involving time)

A

energy transferred/ time
OR
work done/time

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18
Q

efficiency=

A

useful output energy / total input energy
OR
useful power output / total power input

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19
Q

wave speed=

A

frequency x wavelength

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20
Q

charge flow=

A

current x time

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21
Q

potential difference=

A

current × resistance

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22
Q

all 4 equations for power=

A

= potential difference × current
= current squared × resistance
= work done/ time
= energy transferred/ time

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23
Q

energy transferred equations=

A

power x time
charge flow x potential difference

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24
Q

energy transferred equation=
(involving pd)

A

= charge flow × potential difference

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25
Q

energy transferred equation =
(involving time)

A

power x time

26
Q

density=

A

mass x volume

27
Q

0.5 × mass × speed 2=

A

kinetic energy

28
Q

1/2 m x v(squared)

29
Q

joules

A

kinetic energy measured in

30
Q

kg

A

mass measured in

31
Q

m/s

A

speed measured in

32
Q

mass × gravitational field strength (g)

33
Q

force × distance along the line of action of the force

A

work done=

34
Q

spring constant × extension

A

force applied to a spring=

35
Q

force × distance (normal to direction of force )

A

moment of a force =

36
Q

force normal to a surface/ area of that surface

37
Q

speed × time

A

distance travelled=

38
Q

change in velocity/ time taken

A

acceleration =

39
Q

mass x acceleration

A

resultant force =

40
Q

mass × velocity

41
Q

0.5 × mass × (speed) squared

A

kinetic energy =

42
Q

mass × gravitational field strength (g)
× height

A

gravitational potential energy =

43
Q

energy transferred/ time
OR
work done/time

A

equations for power=
(involving time)

44
Q

useful output energy / total input energy
OR
useful power output / total power input

A

efficiency=

45
Q

frequency x wavelength

A

wave speed=

46
Q

current x time

A

charge flow=

47
Q

current × resistance

A

potential difference=

48
Q

= potential difference × current
= current squared × resistance
= work done/ time
= energy transferred/ time

A

all 4 equations for power=

49
Q

power x time
charge flow x potential difference

A

energy transferred equations=

50
Q

= charge flow × potential difference

A

energy transferred equation=
(involving pd)

51
Q

power x time

A

energy transferred equation =
(involving time)

52
Q

mass x volume

53
Q

weight symbol equation

54
Q

work done symbol equation

55
Q

force applied to a spring symbol equation

56
Q

moment of a force symbol equation

57
Q

pressure symbol equation

58
Q

symbol equation

59
Q

symbol equation

60
Q

symbol equation

61
Q

symbol equation

Physics (8 decks)

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