--Problem 4.3 - Replace the 2-lb force acting on the end of the bottle.. opener by an equivalent force and couple moment acting on the underside of the bottle cap at A. 3 in. 2 21b mm B

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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**Problem 4.3** - Replace the 2-lb force acting on the end of the bottle opener with an equivalent force and couple moment acting on the underside of the bottle cap at A.

**Diagram Explanation:**
- The diagram illustrates a bottle opener located above a bottle cap.
- Point A represents the pivot or the underside of the bottle cap where the equivalent force and couple moment are to be considered.
- A force of 2 lb is applied downward at the end of the bottle opener, denoted by point B.
- The distance from point A to point B is given as 3 inches.
- The 2-lb force is shown as a vector pointing downwards and to the right.

**Objective:**
- To replace the given 2-lb force with an equivalent force and couple moment at point A on the bottle cap. This involves maintaining the same mechanical effect as the original force does when applied at point B.
Transcribed Image Text:**Problem 4.3** - Replace the 2-lb force acting on the end of the bottle opener with an equivalent force and couple moment acting on the underside of the bottle cap at A. **Diagram Explanation:** - The diagram illustrates a bottle opener located above a bottle cap. - Point A represents the pivot or the underside of the bottle cap where the equivalent force and couple moment are to be considered. - A force of 2 lb is applied downward at the end of the bottle opener, denoted by point B. - The distance from point A to point B is given as 3 inches. - The 2-lb force is shown as a vector pointing downwards and to the right. **Objective:** - To replace the given 2-lb force with an equivalent force and couple moment at point A on the bottle cap. This involves maintaining the same mechanical effect as the original force does when applied at point B.
Expert Solution
Step 1

Shifting the force Parallel to its line of action and calculate the equivalent moment. The equivalent is equal to force times the distance of shift. 

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