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Flashcards in Module 1 Deck (8)
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1

What is a physical quantity?

It is a property of an object or phenomenon that can be measured

2

What are the 7 SI base units?

metre (m), kilogram (kg), second (s), ampere (A), kelvin (K), and mole (mol)

3

What are derived units?

They can be derived from the base units and the equations relating derived quantities to the base quantities.

4

What is a scalar quantity?

A measurement which has magnitude but no direction

5

What is a vector quantity?

A measurement which has a magnitude and a direction

6

Give an example of a scalar quantity?

Length, mass and time

7

Give an example of a vector quantity?

displacement, velocity and acceleration

8

Is power a scalar or vector quantity?

It is a scalar as it only has magnitude and no direction