Physics
10th Edition
ISBN: 9781118486894
Author: David Young, Shane Stadler
Publisher: WILEY
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Chapter 6, Problem 1FC
To determine
The correct option.
Expert Solution & Answer
Answer to Problem 1FC
The correct option is (e) C, A, B.
Explanation of Solution
Description:
The work done is defined as the product of force and displacement. The work done is positive, if both force and displacement are in the same direction.
In the case C, the force is perpendicular to the displacement. This shows that the force will have no impact on the object as the displacement and force are from two different ends. Therefore, there is no work done.
In the case A, the force applied is at an angle to the displacement and at the same time, it is in the direction of the displacement. Hence, the force is not at its maximum value, yet it is higher than zero. Therefore, the work done is between zero and the maximum.
In the case B, the force and displacement are in the same direction and this implies that the force will be at its peak when compared to other two cases. Thus, the work done is at the maximum in this case.
Thus, the ascending order of the work done is
Therefore, option e is correct, and the remaining options a, b, c, and d are incorrect.
Conclusion:
Thus, the correct option is (e) C, A, B.
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In the figure below, a semicircular conductor of radius R = 0.260 m is rotated about the axis AC at a constant rate of 130 rev/min. A uniform magnetic field of magnitude 1.22 T fills the entire region below the axis and is directed out of the page.
R
Pout
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1.77
v
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0
v
(c) How would your answers to parts (a) and (b) change if the magnetic field were allowed to extend a distance R above the axis of rotation? (Select all that apply.)
The value in part (a) would increase.
The value in part (a) would remain the same.
The value in part (a) would decrease.
The value in part (b) would increase.
The value in part (b) would remain the same.
The value in part (b) would decrease.
×
(d) Sketch the emf versus time when the field is as drawn in the figure. Choose File No file chosen
This answer has not been graded yet.
(e) Sketch the emf…
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