Motion 1 Flashcards
What is a vector?
A quantity that has a magnitude and direction
Ex: weight displacement velocity forces
What is a scalar?
A quantity that has a magnitude only
Ex: length temperature
What is position? And it’s symbol?
Distance and direction from a reference point
D with an arrow on top
What is displacement and it’s symbol
Change in position
Triangle d with arrow on top
What’s the arrow mean on top of symbols?
Mean they have a direction
If acceleration is down and negative what are the rest of the factors?
Everything else down is negative
If acceleration is negative going up then what are the other factors?
Everything going up is negative
If you’re in meters per second what do you multiply by to get kilometres per hour
3.6