Scalar product using right hand rule ?

goldfish9776 · Sep 17, 2015

Homework Statement

Refer to solution II , the author used the scalar analysis( dot product) to get the direction of moment ...IMO , this is incorrect ... Only cross product can be determined this way . correct me if I'm wrong .

Homework Equations

The Attempt at a Solution

axmls · Sep 18, 2015

No, the solution is correct. The value of a coupled moment is just equal to the magnitude of one of the forces times the perpendicular distance between them.

goldfish9776 · Sep 18, 2015

axmls said:

No, the solution is correct. The value of a coupled moment is just equal to the magnitude of one of the forces times the perpendicular distance between them.

how can the direction of moment(scalar analysis) determined using the right hand grip rule ?

Scalar product using right hand rule ?

Homework Statement

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The Attempt at a Solution

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Scalar product using right hand rule ?

Homework Statement

Homework Equations

The Attempt at a Solution

Attachments

Discussion

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