Topic 1 : Key concept of physics Flashcards

1
Q

Metre

A

M

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2
Q

Kilogram

A

Kg

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3
Q

Second

A

S

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4
Q

Ampere

A

A

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5
Q

Kelvin

A

K

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6
Q

Mole

A

Mol

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7
Q

Volt

A

V

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8
Q

Frequency

A

Hertz Hz

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9
Q

Force

A

Newton N

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10
Q

Energy

A

Joule J

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11
Q

Power

A

Watt W

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12
Q

Pressure

A

Pascal Pa

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13
Q

Charge

A

coulomb c

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14
Q

Distance

A

Distance = speed x time

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15
Q

Acceleration

A

a = v-u / t

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16
Q

weight

A

mg

17
Q

/\GPE

A

/\GPE=mg/\h

18
Q

KE

A

KE = 1/2 mv ^2

19
Q

efficiency

A

usefully energy output
——————————-
total energy input

20
Q

wave speed

A

v= f x /| (lambda)