Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotational Motion
Section: Chapter Questions
Problem 23P: Find the net torque on the wheel in Figure P10.23 about the axle through O, taking a = 10.0 cm and b...
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Question
10.9
![Find the net torque on the wheel in the figure below about the axle through O, taking a = 12.0 cm and
b = 20.0 cm.
12.0 N
30.0°
10.0 N
9.00 N](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6b463452-b960-4b00-bce0-3a69d9f467e2%2Fc1f69d86-a73b-4798-84f0-720242ba62d4%2F5q72jib_processed.png&w=3840&q=75)
Transcribed Image Text:Find the net torque on the wheel in the figure below about the axle through O, taking a = 12.0 cm and
b = 20.0 cm.
12.0 N
30.0°
10.0 N
9.00 N
![The total torque on an object is the sum of the individual torques. Remember that d is the perpendicular distance from the rotation axis to the line of action of the
force F, called the moment arm or lever arm of F. We have the following.
Σr=[Fd
τ=
=
+(
=
12
✓ N)(0.120 m) - (10.0 N)(
m) - (
9
N•m
This represents a torque vector that points into the plane of the page, and results in a clockwise
◊
N)(0.200 m)
turning by the force.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6b463452-b960-4b00-bce0-3a69d9f467e2%2Fc1f69d86-a73b-4798-84f0-720242ba62d4%2Furvtab_processed.png&w=3840&q=75)
Transcribed Image Text:The total torque on an object is the sum of the individual torques. Remember that d is the perpendicular distance from the rotation axis to the line of action of the
force F, called the moment arm or lever arm of F. We have the following.
Σr=[Fd
τ=
=
+(
=
12
✓ N)(0.120 m) - (10.0 N)(
m) - (
9
N•m
This represents a torque vector that points into the plane of the page, and results in a clockwise
◊
N)(0.200 m)
turning by the force.
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