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, If the torque M= 20 Ib-in is applied to the handle on the screw to tighten it to pull block A, determine the applied pulling force. The screw diameter is 0.2in, and the lead is 0.1in, and the coefficient of static friction is µs = 0.3.

, If the torque M= 20 Ib-in is applied to the handle on the screw to tighten it to pull block A, determine the applied pulling force. The screw diameter is 0.2in, and the lead is 0.1in, and the coefficient of static friction is µs = 0.3.

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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**Problem Statement:** If the torque \( M = 20 \) lb-in is applied to the handle on the screw to tighten it to pull block A, determine the applied pulling force. The screw diameter is \( 0.2 \) in, and the lead is \( 0.1 \) in, and the coefficient of static friction is \( \mu_s = 0.3 \). **Diagram Explanation:** The diagram illustrates a screw mechanism. A screw is depicted with a helical thread, and there is a torque \( M \) represented by an arrow in a circular manner at the bottom. The torque is applied to the handle for the purpose of tightening or loosening the screw, which in turn affects block A. The diagram serves to visualize the application of the torque on the screw, along with the specified diameter and lead. **Parameters:** - Torque (\( M \)): \( 20 \) lb-in - Screw Diameter: \( 0.2 \) in - Lead of Screw: \( 0.1 \) in - Coefficient of Static Friction (\( \mu_s \)): \( 0.3 \) The exercise involves using these parameters to calculate the pulling force needed to achieve the required tightness, taking into account friction and mechanical properties of the screw.
Transcribed Image Text:**Problem Statement:** If the torque \( M = 20 \) lb-in is applied to the handle on the screw to tighten it to pull block A, determine the applied pulling force. The screw diameter is \( 0.2 \) in, and the lead is \( 0.1 \) in, and the coefficient of static friction is \( \mu_s = 0.3 \). **Diagram Explanation:** The diagram illustrates a screw mechanism. A screw is depicted with a helical thread, and there is a torque \( M \) represented by an arrow in a circular manner at the bottom. The torque is applied to the handle for the purpose of tightening or loosening the screw, which in turn affects block A. The diagram serves to visualize the application of the torque on the screw, along with the specified diameter and lead. **Parameters:** - Torque (\( M \)): \( 20 \) lb-in - Screw Diameter: \( 0.2 \) in - Lead of Screw: \( 0.1 \) in - Coefficient of Static Friction (\( \mu_s \)): \( 0.3 \) The exercise involves using these parameters to calculate the pulling force needed to achieve the required tightness, taking into account friction and mechanical properties of the screw.
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