S79 The light bar is used to support the 50-kg block in its vertical guides. If the coefficient of static fric- tion is 0.30 at the upper end of the bar and 0.40 at the lower end of the bar, find the friction force act- ing at each end for x = mum value of x for which the bar will not slip. 75 mm. Also find the maxi- 50 kg A 300 mm

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Problem 6/8
0/9 The light bar is used to support the 50-kg block in
its vertical guides. If the coefficient of static fric-
tion is 0.30 at the upper end of the bar and 0.40 at
the lower end of the bar, find the friction force act-
ing at each end for x = 75 mm. Also find the maxi-
mum value of x for which the bar will not slip.
50 kg
В
Problem 6/9
6/10 The semicircular 5-kg plate rotates about a fixed
bearing at O that can exert a maximum frictional
moment of 1.2 N.m on the plate. The horizontal
force P is applied to a cord wrapped around the plate
300 mm
Transcribed Image Text:F Problem 6/8 0/9 The light bar is used to support the 50-kg block in its vertical guides. If the coefficient of static fric- tion is 0.30 at the upper end of the bar and 0.40 at the lower end of the bar, find the friction force act- ing at each end for x = 75 mm. Also find the maxi- mum value of x for which the bar will not slip. 50 kg В Problem 6/9 6/10 The semicircular 5-kg plate rotates about a fixed bearing at O that can exert a maximum frictional moment of 1.2 N.m on the plate. The horizontal force P is applied to a cord wrapped around the plate 300 mm
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