LINEAR HORIZONTAL
MOTION
1. Describe
the video.
2. Describe the motion of the athletes.
3. Describe the path where the athletes are
going.
4. What are the factors affecting the
movement of the athletes?
5. What is speed? velocity?
6. What is the difference between
speed and velocity?
7. How are velocity and time related to
acceleration?
Motion is a change in position relative to a
frame of reference.
Speed is the distance traveled by an object in a
given amount of time.
Velocity is the rate of change of position along a
straight line with respect to time.
Time is a measurable period during which an
action, process or condition exists or continues.
Acceleration is the act or process of moving faster
or happening more quickly.
This shows that the displacement of the body is
directly proportional to the square of time. This
confirms that for equal intervals of time,
displacement increases quadratically.
ACTIVITY I: LINEAR HORIZONTAL MOTION
Use the pen to move the marble horizontally along the table top. (See that the depressed end of the
pen will hit the object about the center.) Observe the motion.
Sketch and label the velocity-time and the acceleration-time graphs on the axes below.
Complete the sentence:
A ball rolling horizontally has a velocity that is _______________________, and an acceleration
that is _______________________.
Graph A:
A. Velocity-time graph for
rolling horizontally
Graph B:
B. Acceleration-time objects
graph for objects
rolling down an incline
Guide Questions:
1. Interpret each graph.
2. Compare the motion of the marble rolling
horizontally and rolling down an incline.
3. Describe the velocity and time graph for
objects rolling horizontally.
4. What are the factors affecting the motion of
objects moving in a linear horizontal motion?
Linear horizontal motion is a onedimensional motion along a straight line and
can therefore be described mathematically
using only one spatial dimension.