Lesson 1:Motion In One Direction Flashcards
1
Q
Anything that can be measured
A
Physical quantities
2
Q
Expressed quantitative measure of a standard unit
A
Magnitude
3
Q
Described using magnitude (number) and unit.
A
Scalar quantities
4
Q
Described using the magnitude, unit, and direction.
A
Vector quantities
5
Q
Graphical illustration of an object in motion.
A
Motion diagram
6
Q
A simplified version of a motion diagram
A
Particle model
7
Q
Total path length taken by an object from one point to another(scalar)
A
Distance
8
Q
Shortest length between two points(vector)
A
Displacement
9
Q
Distance
A
a+b
10
Q
Displacement
A
a+(-b) direction
11
Q
Average speed
A
distance/time km/h
12
Q
Velocity
A
Displacement/t
13
Q
Average velocity
A
Final position-starting position/t
14
Q
acceleration
A
Final velocity-initial velocity/t