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A solid sphere of radius R and mass M is held against a wall by a string being pulled at an angle 0. f is the magnitude of the frictional force and W = M g . F R Which of the following equations may be derived from the fact that the torque about point O must be 0?

A solid sphere of radius R and mass M is held against a wall by a string being pulled at an angle 0. f is the magnitude of the frictional force and W = M g . F R Which of the following equations may be derived from the fact that the torque about point O must be 0?

Physics for Scientists and Engineers: Foundations and Connections
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter13: Rotation Ii: A Conservation Approach
Section: Chapter Questions
Problem 7PQ: A 12.0-kg solid sphere of radius 1.50 m is being rotated by applying a constant tangential force of...
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a)Which of the following equations may be derived from the fact that the torque about point O must be 0?

1. F + W = f

2. F sinθcos θ= f

3. F = f

4. F cos2θ= f

5. W = f

6. F sinθ= f

b)Which of the following may be derivived from the fact that the vertical component of force must be 0?

1. F sinθ = f

2. F sinθ  = f + W

3. F sinθ = W

4. F sinθ  + f = W

5. F cosθ  + W = f

c) Attached photo

 

A solid sphere of radius R and mass M is held against a wall by a string being pulled at an angle 0. f is the magnitude of the frictional force and W = M g . F R Which of the following equations may be derived from the fact that the torque about point O must be 0?
Transcribed Image Text:A solid sphere of radius R and mass M is held against a wall by a string being pulled at an angle 0. f is the magnitude of the frictional force and W = M g . F R Which of the following equations may be derived from the fact that the torque about point O must be 0?
Find the smallest coefficient of friction µ needed for the wall to keep the sphere from slipping. 1 1. µ - tan 0 2. µ = sin 0 3. µ = tan 0 1 4. р sin 0 5. L COs O 6. u = cos O
Transcribed Image Text:Find the smallest coefficient of friction µ needed for the wall to keep the sphere from slipping. 1 1. µ - tan 0 2. µ = sin 0 3. µ = tan 0 1 4. р sin 0 5. L COs O 6. u = cos O
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