what is the definition of moment of couple?
Answers
In mechanics, a couple refers to two parallel forces that are equal in magnitude, opposite in direction and do not share a line of action. A better term is force couple or pure moment. Its effect is to create rotation without translation or, more generally, without any acceleration of the centre of mass.
Answer:
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Explanation:
the product of either of the forces of a couple by the perpendicular distance between them.
In mechanics, a couple refers to two parallel forces that are equal in magnitude, opposite in direction and do not share a line of action.
A better term is force couple or pure moment. Its effect is to create rotation without translation or, more generally, without any acceleration of the centre of mass. In rigid body mechanics, force couples are free vectors, meaning their effects on a body are independent of torque. This is not to be confused with the term torque as it is used in physics, where it is merely a synonym of moment. Instead, torque is a special case of moment. Torque has special properties that moment does not have, in particular the property of being independent.
couple explain with example:-
A couple consists of two parallel forces that are equal in magnitude, opposite in sense and do not share a line of action. It does not produce any translation, only rotation. The resultant force of a couple is zero. ... For example, the forces that two hands apply to turn a steering wheel are often (or should be) a couple
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