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PROBLEM 2 The man is holding up the 35-kg ladder ABC by pushing perpendicular to the ladder. The total length of the ladder is AC= 6m. If the maximum force that the man can exert is 400N at B which is 2m from A, determine the smallest angle, theta, at which the man can support the ladder. 2m ladder

PROBLEM 2 The man is holding up the 35-kg ladder ABC by pushing perpendicular to the ladder. The total length of the ladder is AC= 6m. If the maximum force that the man can exert is 400N at B which is 2m from A, determine the smallest angle, theta, at which the man can support the ladder. 2m ladder

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Additional Topics In Trigonometry
Section3.4: Vectors And Dot Products
Problem 7ECP
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PROBLEM 2 The man is holding up the 35-kg ladder ABC by pushing perpendicular to the ladder. The total length of the ladder is AC= 6m. If the maximum force that the man can exert is 400N at B which is 2m from A, determine the smallest angle, theta, at which the man can support the ladder. 2m ladder
Transcribed Image Text:PROBLEM 2 The man is holding up the 35-kg ladder ABC by pushing perpendicular to the ladder. The total length of the ladder is AC= 6m. If the maximum force that the man can exert is 400N at B which is 2m from A, determine the smallest angle, theta, at which the man can support the ladder. 2m ladder
PROBLEM 3 The 1200-kg car is being lowered slowly onto the dock using the hoist A and winch C. Determine the forces in cables BA and BC for the position shown. Vertical distance from A to B is 5.6 m, and from B to C is 2.4m. 2.2m, 5.6m ot
Transcribed Image Text:PROBLEM 3 The 1200-kg car is being lowered slowly onto the dock using the hoist A and winch C. Determine the forces in cables BA and BC for the position shown. Vertical distance from A to B is 5.6 m, and from B to C is 2.4m. 2.2m, 5.6m ot
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