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If the speed-time graph is a straight line parallel to the time axis, then the body is

  • a)
    accelerated motion

  • b)
    uniform speed or velocity 

  • c)
    non-uniform accelerated motion

  • d)
    at rest

Correct answer is 'B'. Can you explain this answer?
Most Upvoted Answer
If the speed-time graph is a straight line parallel to the time axis, ...
Explanation:

  • A speed-time graph shows the variation of speed with time.

  • If the speed-time graph is a straight line parallel to the time axis, then the speed of the body is constant.

  • Uniform speed or velocity means that the body is moving with a constant speed in a straight line.

  • Such a motion is also called rectilinear motion.

  • Uniform speed is a type of motion where the body covers equal distances in equal intervals of time.

  • For example, if a car is moving with a speed of 60 km/h, it will cover a distance of 60 km in one hour, 30 km in half an hour, and so on.

  • On the speed-time graph, uniform speed is represented by a straight line parallel to the time axis.

  • Therefore, if the speed-time graph is a straight line parallel to the time axis, then the body is moving with uniform speed or velocity.



Answer: The correct answer is option B, i.e., uniform speed or velocity.
Community Answer
If the speed-time graph is a straight line parallel to the time axis, ...
It is in uniform motion because it is travelling equal distances in equal intervals of time
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If the speed-time graph is a straight line parallel to the time axis, then the body isa)accelerated motionb)uniform speed or velocityc)non-uniform accelerated motiond)at restCorrect answer is 'B'. Can you explain this answer?
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