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Q.
Which of the following statement is correct?
Motion in a Straight Line
Solution:
Statement given in option (b) is correct but the rest are incorrect and these can be corrected as,
In general, average speed is not equal to magnitude of average velocity. It can be so if the motion is along a straight line without change in direction.
When acceleration of particle is not constant, then motion is called as non-uniformly accelerated motion. Displacement is zero, when a particle returns to its starting point.