PROBLEM 3: 9 Elements of the lower arm are shown in the figure. The weight of the forearm is 5 lbs with mass center at G. Note that 55° is from vertical axis. Required Answer Units/Decimals If T = 10 lbs, calculate the moment about O, Mo 108.58 lb-in / use 2 decimals If T = 20 lbs, calculate the horizontal distance of the resultant of the three forces from point O. 12.65 in / use 2 decimals Calculate T so that the moment about point O is zero. 64.29 lb / use 2 decimals

PROBLEM 3: 9 Elements of the lower arm are shown in the figure. The weight of the forearm is 5 lbs with mass center at G. Note that 55° is from vertical axis. Required Answer Units/Decimals If T = 10 lbs, calculate the moment about O, Mo 108.58 lb-in / use 2 decimals If T = 20 lbs, calculate the horizontal distance of the resultant of the three forces from point O. 12.65 in / use 2 decimals Calculate T so that the moment about point O is zero. 64.29 lb / use 2 decimals

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter11: Columns

Section: Chapter Questions

Problem 11.2.4P: Repeat Problem 11.2-3 assuming that R= 10 kN · m/rad and L = 2 m.

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Required	Answer	Units/Decimals
If T = 10 lbs, calculate the moment about O, Mo	108.58	lb-in / use 2 decimals
If T = 20 lbs, calculate the horizontal distance of the resultant of the three forces from point O.	12.65	in / use 2 decimals
Calculate T so that the moment about point O is zero.	64.29	lb / use 2 decimals