5 ft 7.84 Find the smallest angle B for which the uniform crate can be tipped about corner A. Also compute the corresponding value of P oo o 5 ft 200 lb P 7.85 The belt is placed between two rollers whieh are free to rotate about A and B. Determine the smallest coefficient of static friction between the belt and the rollers for which the device is self-locking; that is, the belt cannot be pulled down for any value of P ooo o A As= 0.2 Fig. P7.84 Belt

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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5 ft
7.84 Find the smallest angle B for which the uniform crate can be tipped about
corner A. Also compute the corresponding value of P
oo o
5 ft
200 lb
P
7.85 The belt is placed between two rollers whieh are free to rotate about
A and B. Determine the smallest coefficient of static friction between the belt and
the rollers for which the device is self-locking; that is, the belt cannot be pulled
down for any value of P
ooo o
A
As= 0.2
Fig. P7.84
Belt
Transcribed Image Text:5 ft 7.84 Find the smallest angle B for which the uniform crate can be tipped about corner A. Also compute the corresponding value of P oo o 5 ft 200 lb P 7.85 The belt is placed between two rollers whieh are free to rotate about A and B. Determine the smallest coefficient of static friction between the belt and the rollers for which the device is self-locking; that is, the belt cannot be pulled down for any value of P ooo o A As= 0.2 Fig. P7.84 Belt
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