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Physics Problem Set: Tensions and Moments of Inertia, Assignments of Physics

Problem set solutions for various physics scenarios involving tensions in cables and moments of inertia. Topics include suspended signs, uniform rods, and rotating cylinders.

Typology: Assignments

Pre 2010

Uploaded on 07/30/2009

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Download Physics Problem Set: Tensions and Moments of Inertia and more Assignments Physics in PDF only on Docsity! Name Phys 2010 (NSCC), Fall 2005 Problem Set #11 Ye Olde Shoppe 30o T 1. A 500-N sign is suspended from a horizontal 6.00-meter long uniform 100-N rod as indicated at the right. The sign is attached to the rod at a point which is 4.0 m from the wall; The left end of the rod is pivoted and the right end is supported by a thin cable making a 30.0◦ angle with the vertical. Find the tension T in the cable. 0.75 m 0.25 m T1 T2 2. A uniform rod 1.00 m in length and of weight 80 N is supported by two wires as shown at the right. What is the tension in each of the cables supporting the rod? 1 T1 T3 40oT2 3. The rod from Problem 2 is now supported (horizontally) by three ropes, as shown to the right. Find the tensions in all the ropes. 35o x 4. A uniform beam of weight 500 N, 6.00 m in length is supported by a cable at the far end as shown at the right. The cable will break if its tension exceeds 1300 N A man of weight 700 N goes walking out on the beam. How away from the wall can he get before the cable breaks? 2