1 / 6

ENGR 34 Chapter 3, Day 3 3D Point Equilibrium

ENGR 34 Chapter 3, Day 3 3D Point Equilibrium. 3D point equilibrium Hints for Ch 3 Problem 66 & 49. 3D Point Equilibrium. 3 Scalar equations from S F = 0 Check # Equation = # Unknowns Use position vectors to get force vectors Use calculator and avoid angles. Hint for Ch 3 Problem 66.

milliee
Download Presentation

ENGR 34 Chapter 3, Day 3 3D Point Equilibrium

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. ENGR 34 Chapter 3, Day 33D Point Equilibrium • 3D point equilibrium • Hints for Ch 3 Problem 66 & 49

  2. 3D Point Equilibrium • 3 Scalar equations from SF = 0 • Check # Equation = # Unknowns • Use position vectors to get force vectors • Use calculator and avoid angles

  3. Hint for Ch 3 Problem 66 The 80 lb bucket is being hoisted using three springs, each with an unstretched length of 1.5 ft and stiffness of 50 lb/ft. Determine d.

  4. Hint for Ch 3 Problem 49 Determine the maximum weight of the crate so that the tension developed in any cable does not exceed 450 lbs.

  5. Hint for Ch 3 Problem 49 • Guess 1st cable = 450 lb, solve 3x3, repeat • Use Load = 1 lb, solve 3x3 and scale up (linear) • Use unknown W in the b vector for 3x4 RREF

  6. Key Topics • 3 Scalar equations from SF = 0 • Check # Equations = # Unknowns • Use position vectors to get force vectors • Use calculator and avoid angles

More Related