Fill in the blanks below:
1. What is moment of a couple?
Two parallel forces acting on two different points simultaneously form a couple. The line of action of the two forces . It does not create any translatory motion since the resultant is . But, a couple results in produces the rotation of the object. The rotating effect of a couple is known as the moment of a couple.
2. Moment of a couple is measured by the product of
3. The unit of moment of a couple in SI system is
4. Which of the following is given as an example of a couple?