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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

1 / 4

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