chapter 2.1 Flashcards
1
Q
a change in an objects movement relative to a reference point
A
motion
2
Q
the distance and direction of the object’s change in position
A
displacement
3
Q
the distance an object travels per unit of time
A
speed
4
Q
what needs to be included in an answer when calculating distance?
A
a unit to measure the distance
meters, kilometres, etc.
5
Q
what needs to be included in an answer for displacement?
A
units and direction
ex: 20 meters east
6
Q
can displacement be calculated in the same direction?
A
yes
7
Q
do you add displacement if they are going in the opposite direction?
A
no, you subtract
8
Q
can you directly calculate displacement if they are not the same or in opposite directions?
A
yes
9
Q
what is the formula for speed?
A
speed = distance/time
