1. Units are important. If you try to
use a given formula but start the
problem using wrong units, you
might end up getting the whole thing
wrong.
— consider understanding how
each unit is derived and what can be
substituted for each unit
2. Would it have been accurate to
say that the apple weighs 1 kg
instead of 1 N? Why or why not?
_____________________________
— if the apple weighs 1 N, how
much force do you need to exert on
it for it to move up instead of down?
_______
3. What does average mean in this
context?
___________________
Can you break down the watt into the
other units that you know about?
________________
This way of thinking can simplify the
process while working through problems.