Principle of Moments Video Lecture | Engineering Mechanics - Civil Engineering (CE)

FAQs on Principle of Moments Video Lecture - Engineering Mechanics - Civil Engineering (CE)

1. What is the principle of moments?
Ans. The principle of moments, also known as the law of moments, states that when an object is in rotational equilibrium, the sum of clockwise moments about any point is equal to the sum of anticlockwise moments about the same point.
2. How is the principle of moments applied in a balanced see-saw?
Ans. In a balanced see-saw, the principle of moments is applied by ensuring that the clockwise moments produced by the downward forces on one side of the see-saw are equal to the anticlockwise moments produced by the upward forces on the other side. This ensures rotational equilibrium and a balanced see-saw.
3. What is the significance of the fulcrum in the principle of moments?
Ans. The fulcrum, or pivot point, is crucial in the principle of moments as it determines where the moments are calculated from. By choosing an appropriate fulcrum, we can balance the moments and determine the conditions for rotational equilibrium.
4. How can the principle of moments be used to calculate unknown forces?
Ans. The principle of moments can be used to calculate unknown forces by setting up an equation of moments. By taking moments about a point and balancing the clockwise and anticlockwise moments, we can determine the magnitude and direction of the unknown forces.
5. Can the principle of moments be applied to objects in translational equilibrium?
Ans. No, the principle of moments can only be applied to objects in rotational equilibrium, where the sum of all the moments is zero. For objects in translational equilibrium, the principle of moments does not hold.
Related Searches

practice quizzes

,

Sample Paper

,

pdf

,

ppt

,

MCQs

,

Viva Questions

,

mock tests for examination

,

Summary

,

Principle of Moments Video Lecture | Engineering Mechanics - Civil Engineering (CE)

,

Objective type Questions

,

Principle of Moments Video Lecture | Engineering Mechanics - Civil Engineering (CE)

,

Semester Notes

,

video lectures

,

shortcuts and tricks

,

Exam

,

Previous Year Questions with Solutions

,

Free

,

Principle of Moments Video Lecture | Engineering Mechanics - Civil Engineering (CE)

,

study material

,

Important questions

,

past year papers

,

Extra Questions

;