32 mi/hr 5 100
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter14: Highway Surveys And Location
Section: Chapter Questions
Problem 11P
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Question
The hydraulic braking system for the truck and trailer is set to produce equal braking forces for the two units. If the brakes are applied uniformly for 8 seconds to bring the rig (truck and trailer) to a stop from a speed of 32 mi/hr down the 5-percent grade, determine the force P in the coupling between the trailer and the truck. The truck weighs 19,000 lbs and the trailer weighs 15,000 lbs. State whether the coupling is in tension or compression.
Transcribed Image Text:32 mi/hr
5
100
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