Dean Fabien exerts a force P on the car at an angle a = 20°. The 1760 kg car has front wheel dri Prof. Schulz, the driver, spins the front wheels, and the coefficient of kinetic friction µk = 0.02. [ Think about what direction friction should be drawn. The car is in reverse...] The combined eff of friction and a snow pile behind the rear tires exerts a horizontal resting force S. Getting the c to move requires overcoming a resisting force S = 420 N. а. What force P must Dean Fabien exert? b. What value of a will minimize the magnitude of P that Dean Fabien would have to exert overcome the resisting force S = 420 N? [Hint: Think calculus!] What force must he exert (at this new angle)? С.

Dean Fabien exerts a force P on the car at an angle a = 20°. The 1760 kg car has front wheel dri Prof. Schulz, the driver, spins the front wheels, and the coefficient of kinetic friction µk = 0.02. [ Think about what direction friction should be drawn. The car is in reverse...] The combined eff of friction and a snow pile behind the rear tires exerts a horizontal resting force S. Getting the c to move requires overcoming a resisting force S = 420 N. а. What force P must Dean Fabien exert? b. What value of a will minimize the magnitude of P that Dean Fabien would have to exert overcome the resisting force S = 420 N? [Hint: Think calculus!] What force must he exert (at this new angle)? С.

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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Question

Answer all parts please

Dean Fabien exerts a force P on the car at an angle a = 20°. The 1760 kg car has front wheel drive.
Prof. Schulz, the driver, spins the front wheels, and the coefficient of kinetic friction uk = 0.02. [Hint:
Think about what direction friction should be drawn. The car is in reverse...] The combined effect
of friction and a snow pile behind the rear tires exerts a horizontal resting force S. Getting the car
to move requires overcoming a resisting force S = 420 N.
1.
а.
What force P must Dean Fabien exert?
b. What value of a will minimize the magnitude of P that Dean Fabien would have to exert to
overcome the resisting force S = 420 N? [Hint: Think calculus!]
What force must he exert (at this new angle)?
C.
0.90 m
-1.62 m-
-2.55 m-
-3.40 m-

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