A trailer truck enters a 2 percent uphill grade traveling at 72 km/h and reaches a speed

Question:

A trailer truck enters a 2 percent uphill grade traveling at 72 km/h and reaches a speed of 108 km/h in 300 m. The cab has a mass of 1800 kg and the trailer 5400 kg.

Determine
(a) The average force at the wheels of the cab,
(b) The average force in the coupling between the cab and the trailer.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Vector Mechanics for Engineers Statics and Dynamics

ISBN: 978-0073398242

11th edition

Authors: Ferdinand Beer, E. Russell Johnston Jr., David Mazurek, Phillip Cornwell, Brian Self

See More Books

Question Posted: Jun 01, 2017 10:42 AM

See More Questions

A bus is parked along the side of a highway when it is passed by a truck traveling at a constant speed of 70 km/h. Two minutes later, the bus starts and accelerates until it reaches a speed of 100...
An estimate of the expected load on over-the-shoulder seat belts is made before designing prototype belts that will be evaluated in automobile crash tests. Assuming that an automobile traveling at 72...
A 1200-kg trailer is hitched to a 1400-kg car. The car and trailer are traveling at 72 km/h when the driver applies the brakes on both the car and the trailer. Knowing that the braking forces exerted...
Which model can be selected if user is involved in all the phases of Software Development Life Cycle?Prototyping Model a OWaterfall Model b OSpiral model cORapid Application Development Model . . d...
Smart Mart, a retail store, has a receivables turnover ratio of 4.5 times. The industry average is 12.5 times. Does Smart Mart have a collection problem with its receivables?
100% of Bashville Ltd, a Jamaican company was acquired by Grayton Ltd a UK company on October 1, 2019. The purchase consideration and fair value of Bashville Ltd was JA$300,000,000. The following...
15. Are provisions for bad debts and depreciation of hospitals reported as expenses? Explain.
1. A principal source of revenue for hospitals is from patient services. Patient services revenue for hospitals is recorded at: a. Amounts actually billed to patients b. The hospitals full...
A proposed new investment has projected sales of $515,000. Variable costs are 47 percent of sales, and fixed costs are $130,000; depreciation is $50,500. Prepare a pro forma income statement assuming...
Redo Exercise 29 for the situation in which Ms. Jones withdrew $1000 at the end of the seventh year instead of depositing it. Data in Exercise 29 Ms. Jones deposited $100 at the end of each month for...
To apply shock loading to an artillery shell, a 20-kg pendulum A is released from a known height and strikes impactor B at a known velocity v0. Impactor B then strikes the 1-kg artillery shell C....
At an amusement park there are 200-kg bumper cars A, B, and C that have riders with masses of 40 kg, 60 kg, and 35 kg respectively. Car A is moving to the right with a velocity vA = 2m/s and car C...
Fibonacci numbers are named after Leonardo Fibonacci (1170?1230), an outstanding European mathematician of the medieval period. Fibonacci numbers are defined as follows: Write a recursive VBA...
How do we design a successive approximation register using a memristor?
Consider a steady, two-dimensional, incompressible flow field in the xy-plane. The linear strain rate in the x-direction is 2.5 s 1 . Calculate the linear strain rate in the y-direction.
What types of inventory issues Starbucks might reflect upon at the end of each year? The mission of Starbucks is to inspire and nurture the human spiritone person, one cup, and one neighborhood at a...
An 8-lb force P is applied to a shift lever. Determine the moment of P about B when a is equal to 25. BO P 8 in. A 22 in.
Knowing that = 75, determine the resultant of the three forces shown. a 120 lb 20 80 lb 60 lb a'
A foot valve for a pneumatic system is hinged at B. Knowing that a = 28, determine the moment of the 16-N force about Point B by resolving the force into horizontal and vertical components. 20 16 N a...
Jenny wanted to donate to her alma mater to set up a fund for student scholarships. If she would like to fund an annual scholarship in the amount of $6,000 and her donation can earn 5% interest per...
You would like to have a balance of $600,000 at the end of 15 years from monthly savings of $900. If your returns are compounded monthly, what is the APR you need to meet your goal?
Explain the importance of covariance and correlation between assets and understanding the expected value, variance, and standard deviation of a random variable and of returns on a portfolio.

A trailer truck enters a 2 percent uphill grade traveling at 72 km/h and reaches a speed

Question:

108 km/h 72 km/h 2% up grade 300 m

Step by Step Answer:

Initial speed v 1 72 kmh 20 ms Final speed V 2 108 kmh 30 ms Vertic...View the full answer

Vector Mechanics for Engineers Statics and Dynamics

Related Video

Students also viewed these Mechanics questions