mechanics (176) shalnov

a spool consists of a cylindrical core and 2 identical heads. the core rolls without slipping along a rough horizontal block with a constant velocity `v`. the radius of the core is `r` and that of the heads is `R`.

what instantaneous velocity will points A and B on the rim of one of the heads have? what points on the heads have an instantaneous velocity equal in magnitude to the velocity of the spool core.

3 Answers

9
Celestine preetham ·

A - v[1 + R/r]
B - v[1 - R/r]

for part 2 of ques locus is

(x+r)2+y2 = r2 with origin as centre of head

39
Dr.House ·

dude, u need to ineterchange positions of r and R in your answer

9
Celestine preetham ·

no i dont think so may be uve interchanged in ur Q ??

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