Question: Three hikers are shown crossing a footbridge. Knowing that the weights of the hikers at points C, D, and E are 200 lb, 175 lb,

Three hikers are shown crossing a footbridge. Knowing that the weights of the hikers at points C, D, and E are 200 lb, 175 lb, and 135 lb, respectively, determine

(a) The horizontal distance from A to the line of action of the resultant of the three weights when 3.3 Î± = ft,

(b) The value of a so that the loads on the bridge supports at A and B are equal.

- 18 ft- -45 n-a---150–-| -15e- 4.5ft C. в

- 18 ft- -45 n-a---150-| -15e- 4.5ft C.

Step by Step Solution

★★★★★

3.28 Rating (163 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

45 18 ft a isa of R 1d5 18 ft 8 WcWD WE R R 200 lb 175 lb 135 lb 510 lb a Ha... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

4-E-M-E-VM (243).docx

120 KBs Word File

Students Have Also Explored These Related Mechanical Engineering Questions!

The manager at Air Express believes that the weights of packages shipped recently are less than those in the past. Records show that in the past, packages have had a mean weight of 36.5 lb and a...

A veterinarian records the weights of dogs treated at a clinic. The weights are normally distributed, with a mean of 52 pounds and a standard deviation of 15 pounds. Find the weights x corresponding...

The weights of all students at a large university have an approximately normal distribution with a mean of 145 pounds and a standard deviation of 18 pounds. Let be the mean weight of a random sample...

Three hikers are shown crossing a footbridge. Knowing that the weights of the hikers at points C, D, and E are 800 N, 700 N, and 540 N, respectively, determine (a) The horizontal distance from A to...

7) Draw a hockey stick diagram for a short position in the Dec. 20 FB 190 call. 8) Draw a hockey stick diagram for a long position in the Dec. 20 200 put. On Wednesday, Nov. 13, 2019, Facebook stock...

1: Grizzle Products distributes a wide variety of household and commercial products. These products serve a variety of purposes in households and businesses. Refer to the excerpt from the National...

1. In this section we use rto denote the value of the linear correlation coefcient. Why do we refer to this correlation coefcient as being linear? Choose the correct answer below. 0 A. The term...

Lecture Notes DL MGT 5100 - Distribution Management Spring 2017 1.0. Day one, Monday, Monday, 9 Jan 17 1.1. Reading Assignments: Chapters 1 and 2 1.1.1. I intend to follow the book so as to provide a...

Complete the following sentences using the terms population parameter and sample statistic. a. Estimation means assigning values to a ___________ based on the value of a ___________. b. An estimator...

The stockholders' equity section of Swifty Corporation balance sheet at December 31 is presented here: SWIFTY CORPORATION Balance Sheet (partial) Stockholders' equity Paid-in capital Preferred stock,...

1. How would you describe the organization of your companys top-management team? Is some decision making decentralized and delegated to individual managers? If so, explain how the decentralization...

If a Routh table has two sign changes above the even polynomial and five sign changes below the even polynomial, how many right-half-plane poles does the system have?

You work in A/P and see expenses being paid to executives that are not proper business deductions or are for personal expenses and reimbursement is not a tax deductible expense (where expense will be...

John and Joan pay $16,500 of qualified adoption expenses in 2019 to finalize the adoption of a qualified child. Their AGI is $197,000 for 2019. What is their adoption credit for 2019? a. $0 b....

Identify and describe the four different denominator level measures that can be used to estimate fixed overhead rates.

What percent of U.S. adults have one or more tattoos? The Harris Poll conducted an online survey of 2302 adults and found 29% of respondents had at least 1 tattoo. According to the published report,...

A wire carries a 4 A current. What is the current in a second wire that delivers twice as much charge in half the time?

A 15 wedge is forced under a 50-kg pipe as shown. The coefficient of static friction at all surfaces is 0.20. (a) Show that slipping will occur between the pipe and the vertical wall. (b) Determine...

A 15° wedge is forced under a 50-kg pipe as shown. Knowing that the coefficient of static friction at both surfaces of the wedge is 0.20, determine the largest coefficient of static friction...

A 200-N block rests as shown on a wedge of negligible weight. The coefficient of static friction s is the same at both surfaces of the wedge, and friction between the block and the vertical wall may...

Solve Problem 8.66 assuming that the rollers are removed and that s is the coefficient of friction at all surfaces of contact. PROBLEM 8.66* A 200-N block rests as shown on a wedge of negligible...

The square-threaded worm gear shown has a mean radius of 2 in. and a lead of 0.5 in. The large gear is subjected to a constant clockwise couple of 9.6 kip · in. Knowing that the coefficient of...

1. make sure the answer is in 2 decimals. Read question carefully 2. Make sure the final answer is in 2 decimals. Please read the question carefully 3. Find the future value of a five-year $97,000...