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A former student of mechanics wishes to weigh himself but has access only to a scale A with capacity limited to 120 lbs and a small 22- lb spring dynamometer B. With the rig shown he discovers that when he exerts a pull on the rope so that B registers 18 lb, the scale A reads 90 lb. What is his correct weight? A

A former student of mechanics wishes to weigh himself but has access only to a scale A with capacity limited to 120 lbs and a small 22- lb spring dynamometer B. With the rig shown he discovers that when he exerts a pull on the rope so that B registers 18 lb, the scale A reads 90 lb. What is his correct weight? A

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A former student of mechanics wishes to weigh himself but has access only to a scale A with capacity limited to 120 lbs and a small 22-lb spring dynamometer B. With the rig shown, he discovers that when he exerts a pull on the rope so that B registers 18 lb, the scale A reads 90 lb. What is his correct weight? **Diagram Explanation:** The diagram features a person standing on scale A, which is positioned on the floor. Attached to the ceiling are a series of pulleys and a rope. The rope is connected to a dynamometer B, which the person is holding. - The scale A on the floor measures 90 lbs when the individual pulls on the rope. - The dynamometer B in the person's hands shows 18 lbs, indicating the force exerted on the rope. This setup is designed to determine the person's weight by combining readings from both the scale and dynamometer.
Transcribed Image Text:A former student of mechanics wishes to weigh himself but has access only to a scale A with capacity limited to 120 lbs and a small 22-lb spring dynamometer B. With the rig shown, he discovers that when he exerts a pull on the rope so that B registers 18 lb, the scale A reads 90 lb. What is his correct weight? **Diagram Explanation:** The diagram features a person standing on scale A, which is positioned on the floor. Attached to the ceiling are a series of pulleys and a rope. The rope is connected to a dynamometer B, which the person is holding. - The scale A on the floor measures 90 lbs when the individual pulls on the rope. - The dynamometer B in the person's hands shows 18 lbs, indicating the force exerted on the rope. This setup is designed to determine the person's weight by combining readings from both the scale and dynamometer.
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