Classical Dynamics of Particles and Systems
5th Edition
ISBN: 9780534408961
Author: Stephen T. Thornton, Jerry B. Marion
Publisher: Cengage Learning
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The beam in the figure it’s 6.0 meters long and has a mass of 15kg. A crate with a mass of 30kg hangs from the 5.0 meter mark. Calculate the tension in the wire using the attachment of the beam to the wall as the pivot point.
- redraw the figure with all forces acting.
Transcribed Image Text:Conditions of static equilibrium:
ΣΕx = 0
Σ Fx = 0
T = la Fr sin 0
=
L = Iw
Moment of inertia: 1 = [mr₁²
A ring: 1 = MR²
A sphere: 1 = 2/5 MR²
Στον = ΣΤccw
= mvr
KE = ½ 1w²
A disc: 1 = 2 MR²
A rod:
1 = 1/3 ML²
Transcribed Image Text:45 degrees
30 degrees
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