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Understanding Why No Torque is Produced at O

Thread starter princejan7
Start date Mar 30, 2014
Tags

produced Torque

1 reply · 2K views · last reply Mar 30, 2014

princejan7

Thread starter
Mar 30, 2014

#1

Homework Statement

http://postimg.org/image/tdocieaxx/

Why does the force system produce no torque about O
don't mg and N produce a torque about O?

Homework Equations

The Attempt at a Solution

Last edited by a moderator: May 6, 2017

Discussion

SammyS

Staff Emeritus

Science Advisor

Homework Helper

Mar 30, 2014

#2

princejan7 said:

Homework Statement

http://postimg.org/image/tdocieaxx/

Why does the force system produce no torque about O
don't mg and N produce a torque about O?

Homework Equations

The Attempt at a Solution

Textbook page showing Problem 5.132 text beside a 3D sketch of a disk with a cord from fixed point O to a sliding particle D, and a free-body diagram with forces mg, N, F_c and polar unit vectors.

How is torque about a point calculated?

Last edited by a moderator: May 6, 2017

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