Concept explainers
Optimization A force of 180 pounds acts on the bracket shown in the figure.
(a) Determine the vector
(b) Find the magnitude of the moment about A by evaluating
(c) Use the result of part (b) to determine the magnitude of the moment when
(d) Use the result of part (b) to determine the angle
(c) Use a graphing utility to graph the function for the magnitude of the moment about A for
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Chapter 11 Solutions
Calculus
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