A 3-in.-radius drum is rigidly attached to a 5-in.-radius drum as shown. One ofthe drums rolls without sliding on the surface shown, and a cord is woundaround the other drum. Knowing that at the instant shown end D of the cordhas a velocity of 6 in./s and an acceleration of 20 in/s?, both directed to theright, determine the accelerations of points A, B, and C of the drums.5 in.3 in.GCBD

SOLUTION:at point D accelerationaD=ω2×r220=ω2×5ω=2rad/sacceleration at point AaA=ω2×r1aA=22×3=12in/s2b)acceleration at point B=acceleration at point CaB=ω2×r2aB=22×5=20in/s2

Engineering

Mechanical Engineering

us drum is rigidly attached to a 5-in.-radius olls without sliding on the surface shown, a other drum. Knowing that at the instant sho ty of 6 in./s and an acceleration of 20 in/s?, mine the accelerations of points A, B, andC

us drum is rigidly attached to a 5-in.-radius olls without sliding on the surface shown, a other drum. Knowing that at the instant sho ty of 6 in./s and an acceleration of 20 in/s?, mine the accelerations of points A, B, andC

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

A 3-in.-radius drum is rigidly attached to a 5-in.-radius drum as shown. One of
the drums rolls without sliding on the surface shown, and a cord is wound
around the other drum. Knowing that at the instant shown end D of the cord
has a velocity of 6 in./s and an acceleration of 20 in/s?, both directed to the
right, determine the accelerations of points A, B, and C of the drums.
5 in.
3 in.
G
C
B
D

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