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 3 seconds to bring the rig (truck and trailer) to a stop from a speed of 20 mi/hr down the 11-percent grade, determine the force p in the coupling between the trailer and the truck. the truck weighs 16,000 lbs and the trailer weighs 10,000 lbs. state whether the coupling is in tension or compression.

answer:

what happend?

explanation:

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answer:

sorry but I am just answering the questions because I need points

Explanation:

thank u

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