Chapter 1 - Doing Physics Flashcards
1
Q
Why do we use SI units?
I’m 5kg hungry
A
They allow for us to quantify values.
2
Q
What’s an explicit constant?
A
The use of constants in order to quantify our units.
They also show us how units are related and depend on one another using ms^-1 or N-M as examples.
3
Q
Why do we use estimation?
A
Estimation is used at times as we may only need a ball park figure and can also help simplify the calculations.