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nagnitude of the force when this happens? Units

nagnitude of the force when this happens? Units

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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The figure shows a bicycle wheel resting against a small step whose height is \( h = 0.100 \, \text{m} \). The weight and radius of the wheel are \( W = 20.0 \, \text{N} \) and \( r = 0.390 \, \text{m} \). A horizontal force \( \vec{F} \) is applied to the axle of the wheel. As the magnitude of \( \vec{F} \) increases, there comes a time when the wheel just begins to rise up and loses contact with the ground. What is the magnitude of the force when this happens? **Diagram Explanation:** - The image depicts a bicycle wheel with its axle aligned horizontally and supported against a small step. - The radius \( r \) of the wheel is shown from the axle to the outer edge. - The wheel rests on a step with height \( h \). - A horizontal force \( \vec{F} \) is indicated by an arrow pointing rightward on the axle. - There is a normal reaction depicted at the contact point on the step. This illustrates a scenario where you need to calculate the force required to lift the wheel over the step.
Transcribed Image Text:The figure shows a bicycle wheel resting against a small step whose height is \( h = 0.100 \, \text{m} \). The weight and radius of the wheel are \( W = 20.0 \, \text{N} \) and \( r = 0.390 \, \text{m} \). A horizontal force \( \vec{F} \) is applied to the axle of the wheel. As the magnitude of \( \vec{F} \) increases, there comes a time when the wheel just begins to rise up and loses contact with the ground. What is the magnitude of the force when this happens? **Diagram Explanation:** - The image depicts a bicycle wheel with its axle aligned horizontally and supported against a small step. - The radius \( r \) of the wheel is shown from the axle to the outer edge. - The wheel rests on a step with height \( h \). - A horizontal force \( \vec{F} \) is indicated by an arrow pointing rightward on the axle. - There is a normal reaction depicted at the contact point on the step. This illustrates a scenario where you need to calculate the force required to lift the wheel over the step.
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