Physics Chapter 1 - Physical Quantities, Units and measurements

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20 Terms

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Tera (T)

10¹²

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Giga (G)

109

3
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Mega (M)

106

4
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Kilo (k)

10³

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Deci (d)

10⁻¹

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Centi (c)

10⁻²

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Milli (m)

10⁻³

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Micro (μ)

10⁻⁶

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Nano (n)

10⁻⁹

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Mass

kilogram (kg)

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Length

metre (m)

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Time

second (s)

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Electric current

ampere (A)

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Temperature

kelvin (K)

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Amount of substance

mole (mol)

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Atom – Size

1 × 10⁻¹⁰ m

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Human Hair – Size

1 × 10⁻⁴ m

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Earth – Size

1.27 × 10⁷ m

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Scalar Quantity

Magnitude only (mass, temperature, time, speed, distance)

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Vector Quantity

Magnitude and direction (displacement, velocity, force, acceleration)