Topic 1: Physical Quantities (A)

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Author's Instructions

1. Express the SI base unit for electric current according to the International System of Units.

 

2. Identify which of the following is a fundamental (base) physical quantity: Velocity, Force, Mass, or Work.

 

3. ​Determine the correct dimensional formula for mechanical energy or work (ML²T⁻²). 

 

4. Convert a speed of 72 km/h into its equivalent value in standard SI base units (m/s).