Question

MCQ:
the total displacement for the motion in closed circular path of radius r in one rotation is:
a.
$2\pi \: r$
b.
$r$
c.
$\pi {r}^{2}$
d.
$zero$

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Answer 1

Answer:

zero

Explanation:

because the object has returned to same place after one rotation

it's distance would be 2πr but it's displacement would be zero

Answer 2

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Answer:

zero

Explanation:

the the total displacement for the motion of a closed circular path of radius (r) in one rotation is zero because the object has now returned to the same place after completing one rotation

now it's in the place where it starts so if it completes one circulation its distance maybe the circumference of the circular path that is 2πr but its displacement will be zero as it has come now to the same place

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