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 velocity v.

The safe is transported on a platform which rests on rollers, each ha

1.	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 velocity v.
A.	= v/(2r)
B.	= v/r
C.	= 3v/r
D.	= 2v/r
Answer» B. = v/r

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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 if the safe moves forward with a velocity v.

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