3- Talk about the factor that affects the value of friction force.
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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Please answer 3, 4 and 5
![3- Talk about the factor that affects the value of friction force.
4- Calculate the coefficient of three different objects that start moving at the following angles: 15
degrees, 36 degrees, and 70 degrees at the same surface.
5- A 4.0 kg block is pulled from rest along a rough horizontal surface by two forces, the first one is
20N in the left direction, and the second one is 6 N in the right direction. The coefficient of static
friction is 0.253. (g-9.81m/s). Answer the following: - Will the block move, or will it remain at
rest? - under the current external load, what is the magnitude of the friction force and the
maximum friction force? - under the same external load but along an inclined surface with an
incline angle equal to 35.5 degrees what is the magnitude of the friction force and the maximum
friction force?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F51c34ae1-ac4d-4c4a-aeab-9c7a6b810e8d%2F98faf25e-b294-4d2e-a9c6-c806e7cf928b%2Fhob90c_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3- Talk about the factor that affects the value of friction force.
4- Calculate the coefficient of three different objects that start moving at the following angles: 15
degrees, 36 degrees, and 70 degrees at the same surface.
5- A 4.0 kg block is pulled from rest along a rough horizontal surface by two forces, the first one is
20N in the left direction, and the second one is 6 N in the right direction. The coefficient of static
friction is 0.253. (g-9.81m/s). Answer the following: - Will the block move, or will it remain at
rest? - under the current external load, what is the magnitude of the friction force and the
maximum friction force? - under the same external load but along an inclined surface with an
incline angle equal to 35.5 degrees what is the magnitude of the friction force and the maximum
friction force?
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