Explanation Given Info : Current in the two conductor A B and C D is ( I ) each moves in the opposite direction and mass per unit length ( λ ) is m L Formula to determine the magnetic field at conductor C D due to current in A B , B = μ 0 I 2 π h (I) μ 0 is the magnetic constant, I is the current in the conductor C D , h is the distance between the conductors. Formula to determine the magnetic force in conductor C D , F = B I L (II) B is the magnetic field in the conductor C D . L is the length of the conductor C D , I is the current in the conductor C D . Rearrange equation (II) to find B B = F I L (III) Substitute F I L for B in equation (I). F I L = μ 0 I 2 π h F = μ 0 I 2 L 2 π h (IV)

University Physics with Modern Physics, Books a la Carte Plus Mastering Physics with eText -- Access Card Package (14th Edition)

14th Edition

ISBN: 9780133983623

Author: Hugh D. Young, Roger A. Freedman

Publisher: PEARSON

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Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.

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Chapter 28, Problem 28.32E

To determine

The rise in height (h) of the wire CD .

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Chapter 28, Problem 28.31E

Chapter 28, Problem 28.33E

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The force of the quadriceps (Fq) and force of the patellar tendon (Fp) is identical (i.e., 1000 N each). In the figure below angle in blue is Θ and the in green is half Θ (i.e., Θ/2). A) Calculate the patellar reaction force (i.e., R resultant vector is the sum of the horizontal component of the quadriceps and patellar tendon force) at the following joint angles: you need to provide a diagram showing the vector and its components for each part. a1) Θ = 160 degrees, a2) Θ = 90 degrees. NOTE: USE DO NOT USE LAW OF COSINES, NO COMPLICATED ALGEBRAIC EQUATIONS OR ANYTHING ELSE, ETC. Question A has 2 parts!

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Chapter 28 Solutions

University Physics with Modern Physics, Books a la Carte Plus Mastering Physics with eText -- Access Card Package (14th Edition)

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The rise in height ( h ) of the wire C D .

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The rise in height (h) of the wire CD .

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