Model the arm ABC as a single rigid body. Its mass is 320 kg, and the moment of inertia about its center of mass is 1 = 390 kg-m². Starting from rest with its center of mass 1.4 m above the ground (position 1), the ABC is pushed upward by the hydraulic cylinders. When it is in the position shown (position 2), the arm has a counterclockwise angular velocity of 1.0 rad/s. How much work do the hydraulic cylinders do on the arm in moving it from position 1 to position 2? -1.80 m- -1.40 m- В! Thes 0.30 m 0.80 m 0.70 m 2.25 m

Model the arm ABC as a single rigid body. Its mass is 320 kg, and the moment of inertia about its center of mass is 1 = 390 kg-m². Starting from rest with its center of mass 1.4 m above the ground (position 1), the ABC is pushed upward by the hydraulic cylinders. When it is in the position shown (position 2), the arm has a counterclockwise angular velocity of 1.0 rad/s. How much work do the hydraulic cylinders do on the arm in moving it from position 1 to position 2? -1.80 m- -1.40 m- В! Thes 0.30 m 0.80 m 0.70 m 2.25 m

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.

Question

Model the arm ABC as a single rigid body. Its mass is 320 kg, and the moment of
inertia about its center of mass is | = 390 kg-m². Starting from rest with its center of
mass 1.4 m above the ground (position 1), the ABC is pushed upward by the
hydraulic cylinders. When it is in the position shown (position 2), the arm has a
counterclockwise angular velocity of 1.0 rad/s. How much work do the hydraulic
cylinders do on the arm in moving it from position 1 to position 2?
Th
-1.80 m
-1.40 m-
B
0.30 m
0.80 m
0.70 m
2.25 m
C

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