+1 vote
in Machine Dynamics by (34.3k points)
In the given figure, m1=10, Kg m2=30Kg and m=50 Kg, if r1=0.2m and r=0.3m, l=1m, find l2.

(a) 0.26m

(b) 0.52m

(c) 1.04m

(d) 0.13m

I have been asked this question in homework.

My enquiry is from Balancing of a Single Rotating Mass By Two Masses Rotating in Different Planes topic in chapter Balancing of Rotating Masses of Machine Dynamics

1 Answer

0 votes
by (38.6k points)
Correct answer is (d) 0.13m

Easiest explanation: M1r1l = mrl2

10×0.2×1 = 50 x 0.3 xl2

2 = 15xl2

l2 = 0.13m.

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