Answer: scalar.
- A scalar
- B vector
- C tensor
- D base unit
Correct answer: A. scalar
Explanation: Scalars (e.g. mass, temperature) have magnitude only.
The 7 SI base units. All derived units (newton, joule, watt, volt, etc.) can be expressed as combinations of these 7 fundamental units raised to various powers.
Concept context
SI base units, dimensional analysis, significant figures, and error propagation. The toolkit every physics calculation relies on.