Answers

2015-11-03T08:34:36+05:30


a torque is a rotation of an object by a certain degree but im not sure what you mean by couple


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2015-11-03T15:47:15+05:30
A torque is a perpendicular force which when acts on a body & cause the body to rotate .

Whereas a couple couple is two equal forces which acts on a object in an opposite direction to rotate it .
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