Unlike on a normal bicycle, the rear triangle of the framed is connected by a hinge near the bottom bracket as shown above. The top vertex of the triangle is not rigidly connected to the frame, but pushes against the suspension block behind the seat post clamp. Watch this video of a Brompton being folded to see how the rear triangle is attached. Draw a free-body diagram of the entire bicycle to find the reaction forces at both wheels, then draw a free-body diagram of the rear triangle only and find the compression force supported by the suspension block.
Unlike on a normal bicycle, the rear triangle of the framed is connected by a hinge near the bottom bracket as shown above. The top vertex of the triangle is not rigidly connected to the frame, but pushes against the suspension block behind the seat post clamp. Watch this video of a Brompton being folded to see how the rear triangle is attached. Draw a free-body diagram of the entire bicycle to find the reaction forces at both wheels, then draw a free-body diagram of the rear triangle only and find the compression force supported by the suspension block.
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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please answer question 5
Transcribed Image Text:Suspension block
Weight W
Hinge
Original image: https://www.rei.com/product/133354/brompton-c-line-explore-folding-bike-with-rack-mid
Problem 5
Unlike on a normal bicycle, the rear triangle of the framed is connected by a hinge near the bottom bracket as shown above. The top vertex of the triangle is not rigidly connected to the frame, but pushes
against the suspension block behind the seat post clamp. Watch this video of a Brompton being folded to see how the rear triangle is attached.
Draw a free-body diagram of the entire bicycle to find the reaction forces at both wheels, then draw a free-body diagram of the rear triangle only and find the compression force supported by the
suspension block.
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