A horizontal force F shown in the figure is exerted on a vertical lever to prevent a load (weight W) from falling downwards. The drum can rotate without friction about point B; the coefficient of static friction between the drum and the block is µ0=0.30. Determine the magnitude of the force F (in kN) needed to prevent the drum from rotating. Use a=4m, b=3m, c=1m and diameter of drum is 4m. F a B A W

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A horizontal force F shown in the figure is exerted on a vertical lever to
prevent a load (weight W) from falling downwards. The drum can rotate
without friction about point B; the coefficient of static friction between
the drum and the block is µ0=0.30. Determine the magnitude of the force
F (in kN) needed to prevent the drum from rotating. Use a=4m, b=3m,
c=1m and diameter of drum is 4m.
F
a
Orf
B
A
W
Transcribed Image Text:A horizontal force F shown in the figure is exerted on a vertical lever to prevent a load (weight W) from falling downwards. The drum can rotate without friction about point B; the coefficient of static friction between the drum and the block is µ0=0.30. Determine the magnitude of the force F (in kN) needed to prevent the drum from rotating. Use a=4m, b=3m, c=1m and diameter of drum is 4m. F a Orf B A W
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