Science Starter!
Complete the FRONT PAGE (#s 1 – 9) of the
worksheet “Motion Graphs”
(on teacher’s desk).
1. Describe the motion depicted in this particle model.
2. Create a data chart and graph the motion shown.
Distance
(m)
0
0
1
2.5
2
7.5
3
17.5
4
32.5
5
55
Particle Model Graph
50
Distance (m)
Time
(s)
40
30
20
10
0
0
1
2 3 4
Time (s)
5
6
Acceleration
Definition: The rate at which the velocity of an
object changes (vector)
Symbol: a
Unit: m/s2
Reminder: velocity includes SPEED and DIRECTION
Tangent Lines : Instantaneous Velocity
Tangent Lines
become steeper:
speed is
INCREASING
Position moves
away from zero:
traveling in a
POSITIVE direction
Velocity vs. Time Graphs
Qualitatively
describe the
motion of the
object for each
interval:
a) 0s – 4 s
b) 4s – 8s
c) 8s – 12s
Acceleration
Enclosed Area
Shade in shape and
find area to find
displacement.
Rectangle = bh
Triangle = ½ bh
Displacement includes direction (+ or -); distance is a
scalar total!