The safe is transported on a platform which rests on rollers, each having a radius r. If the rollers do not slip, determine their angular velocity  if the safe moves forward with a ve

1. 

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The safe is transported on a platform which rests on rollers, each having a radius r. If the rollers do not slip, determine their angular velocity w if the safe moves forward with a velocity v.
[A]. w = v/(2r)
[B]. w = v/r
[C]. w = 3v/r
[D]. w = 2v/r

Answer: Option A

Explanation:

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