2 : Foundation of physics Flashcards

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1
Q

S.I. units

A
  • Kilogram kg
  • metre m
  • seconds s
  • ampere A
  • kelvin K
  • mole mol
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2
Q

S.I. quantities

A
  • mass
  • length
  • time
  • current
  • temperature
  • amount of substance
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3
Q

pico (p)

A

10^ -12

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4
Q

nano (n)

A

10^ -9

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5
Q

micro (μ)

A

10^ -6

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6
Q

milli (m)

A

10^ -3

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7
Q

centi (c)

A

10^ -2

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8
Q

deci (d)

A

10^ -1

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9
Q

kilo (k)

A

10^ 3

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10
Q

mega (M)

A

10^ 6

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11
Q

giga (G)

A

10^ 9

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12
Q

tera (T)

A

10^ 12

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13
Q

Unit of force

A
  • Newton (N)
  • Kg m s^ -2
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14
Q

Unit of pressure

A
  • Pascal (Pa)
  • N m^ -2
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15
Q

Unit of energy and work done

A
  • Joule ( J)
  • N m
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16
Q

Unit of power

A
  • watt (W)
  • J s^ -1
17
Q

Unit of potential difference

A
  • volt (V)
  • J C^ -1
18
Q

Unit of resistance

A
  • ohm (Ω)
  • V A^ -1
19
Q

Unit of charge

A
  • coulomb (C)
    -A s
20
Q

Unit of frequency

A
  • hertz (Hz)
  • s^ -1
21
Q

Scalar quantities

A
  • magnitude and no direction
  • ex time and speed
22
Q

Vector quantities

A
  • magnitude and direction
  • ex velocity and force