4. What type of motion is shown by the following distance-time graphs?
Answers
b) The body is moving with uniform speed.
c) The body is moving with non-uniform speed.
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The type of motion expressed in each of the graphs is shown below:
a) The first image represents that the object is under rest. When an object is at rest, there would be no change in the motion of the object, and thus the displacement of the object as well as the distance traveled by the object will not be changed. Thus the graph lies parallel to the time axis which means that the object does not move with time.
b) The second image represents the motion of the object in uniform motion or constant motion. When an object is under uniform motion, then the object travels equal distances in equal intervals of time, thus the graph would be in linear form demonstrating gradual and constant motion.
c) The third image represents an object that is in non-uniform motion. An object is said to undergo non-uniform motion if it travels unequal distances in unequal intervals of time. Thus the graph of the motion would be non-linear thus the graph would not be straight but would be curved.
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