Q. 85.0( 1 Vote )

# For the motion on a straight line path with constant acceleration the ratio of the magnitude of the displacement to the distance covered is:

A. = 1

B. ≥ 1

C. ≤ 1

D. < 1

Answer :

Now, Distance = Total Path Covered

And Displacement = Shortest distance between initial and final point

So, Clearly Distance Displacement

Or, Displacement Distance

So,

But Distance = Displacement is valid only on a straight line path where direction does not change.

Hence option A is correct.

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PREVIOUSA body moves on three quarters of a circle of radius r. The displacement and distance travelled by it are:NEXTA body moving with uniform acceleration has velocities 20 ms-1 and 30 ms-1 when passing two points A and B. Then the velocity midway between A and B is:A. 25 ms-1B. 24 ms-1C. 25.5 ms-1D. 106 ms-1

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