The exercise machine consists of a rigid bar, pin connected to the frame at A. As the man pushes up on the bar it stretches the rubber band BC. (Figure 1) Neglect the weight of the bar. Figure 5 ft B-1 ft 1 of 1 0.5 ft Part A If the stiffness of the rubber band is k = 500 lb/ft, determine the applied vertical force F needed to hold the bar in the position = 30°. The rubber band is unstretched when 0 = 0°. Express your answer in pounds to three significant figures. F = Submit Provide Feedback AΣo↓↑vec Request Answer ? lb Next >

The exercise machine consists of a rigid bar, pin connected to the frame at A. As the man pushes up on the bar it stretches the rubber band BC. (Figure 1) Neglect the weight of the bar. Figure 5 ft B-1 ft 1 of 1 0.5 ft Part A If the stiffness of the rubber band is k = 500 lb/ft, determine the applied vertical force F needed to hold the bar in the position = 30°. The rubber band is unstretched when 0 = 0°. Express your answer in pounds to three significant figures. F = Submit Provide Feedback AΣo↓↑vec Request Answer ? lb Next >

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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