Answered: A crate with a total weight of 7,116 N…

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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The structure shown below is a simplified tower crane. It carries a shipping crate suspended from BB that has a weight of 93 kNkN . The main jib DCBDCB (in green) has a weight of 26 kNkN concentrated in the center of the beam. This is pinned to the main body at DD and is supported by a cable that is routed through pulleys at FF and GG and is attached to a concrete counterweight JJ. The main body AEFGAEFG (in yellow) is fixed to the ground at AA. Various geometry: h1=h1= 28.3 mm h2=h2= 3.3 mm h3=h3= 5.1 mm l1=l1= 13 mm l2=l2= 15.8 mm l3=l3= 3.5 mm θ=θ= 55.9 degreesdegrees Assumptions: The main body AEFGAEFG can be considered massless. The cable CFGJCFGJ is massless. The pulleys at FF and GG can be considered massless, frictionless, and of negligible diameter. All bodies are considered rigid. Determine the weight of counterweight JJ in order for the main jib DCBDCB to be horizontal. Determine the magnitude of the xx and yy components of force at pin DD. Determine the reactions at…
The breaking strength of the cable FG that supports the portable camping stool is 400 lb. Determine the maximum weight W that can be supported. Neglect friction and the weights of the members.
A flexible cable is subjected to a uniformly varying load.If the tension at the supports is 12 kN, what is the valueof the sag “h”? SHOW COMPLETE FBD
also draw the figure
Take F = 320 N and d = 1.0 m. (Figure 1) Figure 1.5 m B C -2 m D F 1 of 1 > Part A Determine the force in cable AC needed to hold the 21-kg ball D in equlibrium. Express your answer to two significant figures and include the appropriate units. FAC = Submit Part B Value Request Answer Submit O ▼ Determine the force in cable AB needed to hold the 21-kg ball D in equlibrium. Express your answer to two significant figures and include the appropriate units. μA FAB = Value Units Request Answer wwwww Units ? ww ?
The pail and its content weighs W 2 m kg represented by W =1050 If the cable is 15 m long, determine Y. The pulley at A is frictionless. 10 m
A main cable in a large bridge is designed for a tensile forceof 2,600,000 lb. The cable consists of 1470 parallel wires, each0.16 in. in diameter. The wires are cold-drawn steel w/ anaverage ultimate strength of 230,000 psi. What factor of safety wasused in the design of the cable? Answer is 2.62 (How do I get to that point?)
a water supply crossing a wide river is to be supported by a flexible wire cable with an allowable tensile of 20000kg. the pipe weight 50 kg per meter and has a total length of 60m. a. determine the minimum sag of the cable b. determine the tension the lowest point of the cable. c. if the sag is to be 2m. what is the tension at the support?
If the 75-kg crate starts from rest at A, determine its speed in m/s when it reaches point B. The cable is subjected to a constant force of F = 300N. Neglect friction and the size of the pulley. 30° F 6 m B A 6 m -2 m-
SITUATION 1: A precast girder of length 20 m is to be lifted at two points at equal distance from both ends. The weight of the girder is 0.10787 oz/mm. And its section modulus is 900,000 mm3. The moment should be made as small as possible. 1. Determine the distance (m) of the pick-up points from each end.
A crate is supported by three cables as shown. Determine the weight Wof the crate, knowing that the tension in cable AB is 1382 lb. 18 in. 24 in 45 in. The weight Wof the crate isolb.
In a high rise building, the elevator rises 366 meters with an operating speed of 5 meters per second and reaches a full speed in 10.68 meters. Assume a drive of 6 x 19 cast-steel rope and 900 mm sheaves. The loaded elevator weighs 2000 kg. Determine the number of 15.6 mm ropes required if the factor of safety is 6.

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A crate with a total weight of 7,116 N is supported by three cables