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The boom on a 6300kg truck is used to unload a pallet of shingles of weight 7750kg . Determine the reaction at each of the two (a) rear wheels B, (b) front wheels C

The boom on a 6300kg truck is used to unload a pallet of shingles of weight 7750kg . Determine the reaction at each of the two (a) rear wheels B, (b) front wheels C

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Modified exercise from the book vector mechanics for engineers: statics and dynamics 8th edition.Chapter 4 exercise 2

The boom on a 6300kg truck is used to unload a pallet of shingles of weight 7750kg . Determine the reaction at each of the two (a) rear wheels B, (b) front wheels C

Expert Solution
Step 1

The weight of the boom is -

WB = 6300×9.81 = 61.80 kN

The weight of pallet of shingles is -

WS = 7750×9.81 = 76.03 kN

a)Taking the moemnt about  front wheels B, we get - ΣMB = 076.030.9+6cos15° + 61.80×0.5 =2RB5.2RB = 51.92 kNThe reaction force on rear wheels is 51.92 kN.

 

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