1.39 The bar AB is supported by a frictionless inclined surface at A and a 7/8- in.-diameter pin at B that is in double shear. Determine the shear stress in the pin when the vertical 2000-lb force is applied. Neglect the weight of the bar.

1.39 The bar AB is supported by a frictionless inclined surface at A and a 7/8- in.-diameter pin at B that is in double shear. Determine the shear stress in the pin when the vertical 2000-lb force is applied. Neglect the weight of the bar.

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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Concept explainers

System of Forces

A force is an external influence or agent that changes the state of a system. According to Newton's second law, the force applied to a body is proportional to the change in momentum of a body. Hence, whenever a force is applied to a body, its momentum changes. If the body is at rest, under the action of force, its state of rest changes to motion. In other words, the magnitude of the momentum of the body changes from zero to a measurable value. Similarly, if the body possesses some initial velocity, it has some associated momentum, the effect of force can cause the body to halt or come to rest, that is, the momentum reduces to zero.

Question

MECHANICS OF DEFORMABLE BODIES

please draw a free body diagram upon answering the questions and use 3 decimal places on the final answer if needed. thank you!

1.39 The bar AB is supported by a frictionless inclined surface at A and a 7/8-
in.-diameter pin at B that is in double shear. Determine the shear stress in the pin
when the vertical 2000-lb force is applied. Neglect the weight of the bar.

30°
5 ft
10°
1
2000 lb
FIG. P1.39
5 ft
B
10

Branch of science that deals with the stationary and moving bodies under the influence of forces.

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