The combined mass of the crate and platform AB is 400 kg with the mass center at C. Members DA and EB supporting the platform AB have negligible mass. Member DA is being raised by a motor at angular velocity @= 2 rad/sec at an increasing rate of a = 4 rad/s2. Angle ADE is 36.87° Determine the acceleration at point A of member DA.

The combined mass of the crate and platform AB is 400 kg with the mass center at C. Members DA and EB supporting the platform AB have negligible mass. Member DA is being raised by a motor at angular velocity @= 2 rad/sec at an increasing rate of a = 4 rad/s2. Angle ADE is 36.87° Determine the acceleration at point A of member DA.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Question

The combined mass of the crate and platform AB is 400 kg with the mass center at C.
Members DA and EB supporting the platform AB have negligible mass.
Member DA is being raised by a motor at angular velocity = 2 rad / sec at an increasing
rate of a = 4 rad /s2. Angle ADE is 36.87⁰
Determine the acceleration at point A of member DA.
α= 4 rad/s².
w=2 rad/s
Motor
D
m
-1.5 m-1.5 m-
5 m
m

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