Question
A newly-planted tree is supported by a rope to keep it from tipping over in the wind as shown in the figure. One should assume
A newly-planted tree is supported by a rope to keep it from tipping over in the wind as shown in the figure. One should assume that the soil ball in the sandy soil cannot support any moment about the point A. If the rope can survive a maximum tension of 1000 lbs., calculate the maximum wind speed before the tree tips over in miles per hour.
Umax = ? Rope Tmax = 1000 lb. 45 A 6.0 ft.
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Given Maximum Tension T max 1000 lbs Now Drag force F Cp 1 2 s A u 2 Now ...
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Vector Mechanics for Engineers Statics and Dynamics
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
8th Edition
73212229, 978-0073212227
