1.

The magnitude of displacement may or may not be equal to the path length traversed by an object." Explain this statement with example.

Answer»

Solution :For example, for motion of the car from 0 to P, the path length is + 360 m and the displacement is + 360 m.
In this case, the MAGNITUDE of displacement is EQUAL to the path length.
CONSIDER the motion of the car from 0 to P and back to Q. In this case, the path length = (+ 360 m) + (+ 120 m) = + 480 m.
The displacement = (+240 m) - (0 m) = + 240 m.
THUS, the magnitude of displacement is not equal to the path length.


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