Hw Name:
App y dices . SENIOR 3 PHYSICS
SLA
Appendix 3.8: Motion: Interpreting Position-Time Graphs
44
6
Student
Learning
Activity
4
2
+
Position (Metres
Time (s)
10
20
30
-4
-6
The position-time graph above represents the motion of a remote-controlled toy
truck as it moves back and forth along a straight line. The origin marks the
position of the boy who controls the truck. The boy has not yet learned how to
make the truck change its direction.
A positive position marks positions to the right of the boy, and a negative
position marks positions to the left of the boy,
1. During which time intervals is the truck to the right of the boy? 10 - 95 S
To the left of the boy?
2. During which time intervals is the truck moving in the positive direction?
In the negative direction?
Not moving?
3. What is the position of the truck at 0 seconds? -4 15 seconds? 6
30 seconds? 45 45 seconds? - a
78 - Appendix 3: Mechanics
Hilroy
Mississauga, L55