Moments

Question 1

Definition of a Moment

Answer 1

The moment of a force is the turning effect of a force about some axis or point.

Question 2

Equation of a Moment

Answer 2

moment = force × perpendicular distance of the line of action of force from the axis or point of rotation

Question 3

Principle of Moments

Answer 3

For a body in rotational equilibrium, the sum of the anticlockwise moments about any point is equal to the sum of the clockwise moments about the same point.