3. An object (mass 300 kg) is at rest on a horizontal surface where the coefficient of static friction is (4,). %D The force F (directed at 0-53.13°)is applied in order to set the object into motion along the surface. If F must have a minimum magnitude of 9500 N in order to set the object into motion, what is the coefficient of static friction (µ,) between the object and the horizontal surface? a. 0.72 b. 0.88 c. 0.54 d. 0.66 e. 0.48

3. An object (mass 300 kg) is at rest on a horizontal surface where the coefficient of static friction is (4,). %D The force F (directed at 0-53.13°)is applied in order to set the object into motion along the surface. If F must have a minimum magnitude of 9500 N in order to set the object into motion, what is the coefficient of static friction (µ,) between the object and the horizontal surface? a. 0.72 b. 0.88 c. 0.54 d. 0.66 e. 0.48

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.50P: The block of weight W is pulled by the force P inclined at the angle to the horizontal. Find the...

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