EQUILIBRIUM OF FORCES
CONTENT
- Definition of Resultant Force
- Equilibrant Force
- Types of Equilibrium
- Moment of a Force
- The Principle of Moment
- Taking Moment About the Pivot
- Conditions for Equilibrium for a System of Parallel Forces
- Couple
- Applications of Couple
- Centre of Gravity
- Types of Equilibrium/Stability
- Centre of Mass
Definition of Resultant Force
This can be defined as a single force which can produce the same effect as the combined force on a system. The addition of two or more forces produces the resultant force. The resultant of any system of force can be obtained through any of the processes described earlier.
Equilibrant Force
This is that force which when added to a system of vectors will make the resultant of the system zero. Equilibrant has the same magnitude as the resultant force but it always acts in a direction opposite to that of the resultant.
resultant (R) = -equilibrant (E)
For a system in equilibrium, the resultant force is ZERO.
You are viewing an excerpt of this lesson. Subscribing to the subject will give you access to the following:
- NEW: Download the entire term's content in MS Word document format (1-year plan only)
- The complete lesson note and evaluation questions for this topic
- The complete lessons for the subject and class (First Term, Second Term & Third Term)
- Media-rich, interactive and gamified content
- End-of-lesson objective questions with detailed explanations to force mastery of content
- Simulated termly preparatory examination questions
- Discussion boards on all lessons and subjects
- Guaranteed learning