A 3-meter steel bar has a mass of 30 kg rests on two inclined planes as shown in the figure. The mass center is 1.2 meter from one end as shown. Both ends are provided with frictionless rollers. 1.8 m 1.2 m | 30 kg 25 deg 40 deg (a) Calculate the angle "x" which the bar makes with the horizontal to be in equilibrium. (b) Calculate the reaction at point A. (c) Calculate the reaction at point B.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A 3-meter steel bar has a mass of 30 kg rests on
two inclined planes as shown in the figure. The
mass center is 1.2 meter from one end as shown.
Both ends are provided with frictionless rollers.
1.8 m.
1.2 m
30 kg
40 deg
25 deg
(a) Calculate the angle "x" which the bar makes
with the horizontal to be in equilibrium.
(b) Calculate the reaction at point A.
(c) Calculate the reaction at point B.
Transcribed Image Text:A 3-meter steel bar has a mass of 30 kg rests on two inclined planes as shown in the figure. The mass center is 1.2 meter from one end as shown. Both ends are provided with frictionless rollers. 1.8 m. 1.2 m 30 kg 40 deg 25 deg (a) Calculate the angle "x" which the bar makes with the horizontal to be in equilibrium. (b) Calculate the reaction at point A. (c) Calculate the reaction at point B.
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