Kinematics Question 103
Assertion : The position-time graph of a body moving uniformly is a straight line parallel to position-axis. Reason : The slope of position-time graph in a uniform motion gives the velocity of an object.
Options:
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason are both false.
E) If assertion is false but reason is true.
Show Answer
Answer:
Correct Answer: E
Solution:
If the position-time graph of a body moving uniformly in a straight line parallel to the time axis, it means that the position of the body is changing at constant time. The statement is abrupt and shows that the velocity of the body is infinite.
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