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Here's the converted text in a structured markdown format: ## Physical Quantities and Units - All physical quantities consist of a numerical magnitude and a unit. | Base Quantity | SI Unit | | :------------ | :------ | | mass | kg | | length | m | | time | s...

Here's the converted text in a structured markdown format: ## Physical Quantities and Units - All physical quantities consist of a numerical magnitude and a unit. | Base Quantity | SI Unit | | :------------ | :------ | | mass | kg | | length | m | | time | s | | current | A | | temperature | $^oK$ | | Derived Quantity | SI Unit | | :--------------- | :------------ | | volume | $m^3$ | | speed | m/s | | acceleration | $m/s^2$ | | Force (F=ma) | $N or kgm/s^2$ | | Work (W) | $J or kgm^2/s^2$| ## Prefixes | Prefix | Symbol | Magnitude | | :------ | :----- | :-------- | | tera | T | $10^{12}$ | | giga | G | $10^9$ | | mega | M | $10^6$ | | kilo | K | $10^3$ | | - | - | 1 | | milli | m | $10^{-3}$ | | micro | $\mu$ | $10^{-6}$ | | nano | n | $10^{-9}$ | | pico | P | $10^{-12}$ | * deci (d) - $10^{-1}$ * centi (c) - $10^{-2}$