The jib crane is designed for a maximum capacity of 6 kN, and its uniform I-beam has a mass of 190 kg. Plot the magnitude R of the force on the pin at A as a function of x through its operating range of x = 0.2 m to x = 3.8 m. On the same set of axes, plot the x- and y- components of the pin reaction at A. Do these plots on a separate piece of paper. Then answer the following questions in Wiley Plus as a check for your work. (a) What is the value of R when x = 1.6 m? (b) What is the value of R when x = 3.3 m? (c) Determine the minimum value of R and the corresponding value of x. (d) For what value of R should the pin at A be designed? 39⁰ KN kN m 6 KN 2.5 m 1.5 m Questions: (a) If x= 1.6 m, R= i (b) If x= 3.3 m, R= (c) The minimum value for R = i (d) The pin should be designed to hold i kN at x = kN.

The jib crane is designed for a maximum capacity of 6 kN, and its uniform I-beam has a mass of 190 kg. Plot the magnitude R of the force on the pin at A as a function of x through its operating range of x = 0.2 m to x = 3.8 m. On the same set of axes, plot the x- and y- components of the pin reaction at A. Do these plots on a separate piece of paper. Then answer the following questions in Wiley Plus as a check for your work. (a) What is the value of R when x = 1.6 m? (b) What is the value of R when x = 3.3 m? (c) Determine the minimum value of R and the corresponding value of x. (d) For what value of R should the pin at A be designed? 39⁰ KN kN m 6 KN 2.5 m 1.5 m Questions: (a) If x= 1.6 m, R= i (b) If x= 3.3 m, R= (c) The minimum value for R = i (d) The pin should be designed to hold i kN at x = kN.

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter10: Plate Girders

Section: Chapter Questions

Problem 10.7.9P

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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

The jib crane is designed for a maximum capacity of 6 kN, and its uniform I-beam has a mass of 190 kg. Plot the magnitude R of the
force on the pin at A as a function of x through its operating range of x = 0.2 m to x = 3.8 m. On the same set of axes, plot the x- and y-
components of the pin reaction at A. Do these plots on a separate piece of paper. Then answer the following questions in Wiley Plus as
a check for your work.
(a) What is the value of R when x = 1.6 m?
(b) What is the value of R when x = 3.3 m?
(c) Determine the minimum value of R and the corresponding value of x.
(d) For what value of R should the pin at A be designed?
39°
x
m
6 KN
-2.5 m
1.5 m
Questions:
(a) If x= 1.6 m, R=
(b) If x= 3.3 m, R = i
(c) The minimum value for R = i
(d) The pin should be designed to hold i
KN
KN
kN at x =
kN.
i

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