Calculating Moment of Force in Free Body Diagram

In summary, the conversation discusses the concept of moment of force and its application in computing equilibrium. The formula for moment of force is defined as (force)*(perpendicular distance) and is applicable for scalar problems. The individual needs guidance in understanding the equation and its application in a given problem.
  • #1
TheEngineer89
1
0
1. See following attatchment

2. Moment of force= (force)*(perpendicular distance) only for scalar problems.



3. Well i know that moments are a cause of roation among a certain point
and when computing equilibrium we have to calculate the moment for every force
on the free body diagram.
we need the magnitude of every force as well as the perpendicular distance from each force to point A. as shown in the problem. but i cannot seem to figure out what equation (s) I need. all i need is a little guidence not the answer. thank you
 

Attachments

  • Homework_4.pdf
    76.1 KB · Views: 220
Physics news on Phys.org
  • #2
Welcome to PF!

Hi TheEngineer89! Welcome to PF! :wink:
TheEngineer89 said:
Moment of force= (force)*(perpendicular distance) only for scalar problems.

(What do yo mean by "only for scalar problems" ? :confused:)

This formula should give you the answers for this diagram …

what is worrying you about it? :smile:​
 

Related to Calculating Moment of Force in Free Body Diagram

1. How do you calculate moment of force in a free body diagram?

The moment of force in a free body diagram can be calculated by multiplying the magnitude of the force by the perpendicular distance from the pivot point to the line of action of the force. This can be represented by the equation: M = F x d, where M is the moment of force, F is the force, and d is the distance.

2. What is the pivot point in a free body diagram?

The pivot point in a free body diagram is the point where the object is fixed or supported. It is the point around which the object can rotate or turn.

3. Can the moment of force be negative?

Yes, the moment of force can be negative. This occurs when the force applied to the object causes it to rotate in the opposite direction of the chosen coordinate system. It is important to pay attention to the direction of the moment of force when solving problems.

4. How does the direction of the force affect the moment of force?

The direction of the force affects the moment of force in that the moment of force is positive if the force is applied in a clockwise direction and negative if the force is applied in a counterclockwise direction. This is because the direction of rotation is determined by the direction of the force relative to the pivot point.

5. What are some real-life applications of calculating moment of force in free body diagrams?

Calculating moment of force in free body diagrams is important in various fields such as engineering, architecture, and physics. It is used to determine the stability and balance of structures, as well as to analyze the forces acting on objects and their resulting motion. It is also used in designing and constructing machines, bridges, and other structures to ensure their safety and structural integrity.

Similar threads

Engineering Distance is a problem -- find shear force and bending moment diagram
    • Engineering and Comp Sci Homework Help
Replies
2
Views
1K
Fluid Mechanics Force Body Diagrams
    • Advanced Physics Homework Help
Replies
16
Views
2K
Minimum force to tip the bin over
    • Introductory Physics Homework Help
Replies
7
Views
201
Hubble Constant: Force Acting on Hydrogen Atom Due to Expansion of Universe
    • Advanced Physics Homework Help
Replies
3
Views
1K
If a rope is in free fall, does tension force act on it or not?
    • Advanced Physics Homework Help
Replies
22
Views
925
I Force Generated By Leg Muscles in Free Body Diagrams
    • Mechanics
Replies
8
Views
1K
Loader Boom maximum bending moment
    • Engineering and Comp Sci Homework Help
Replies
2
Views
972
Potential Mistake in Free-Body Diagram
    • Introductory Physics Homework Help
Replies
5
Views
589
Solving Free-Body Diagrams for Moving Nuts on Rods: Tips and Techniques
    • Introductory Physics Homework Help
Replies
9
Views
867
Force between 2 parallel magnetic dipole moments
    • Advanced Physics Homework Help
Replies
1
Views
3K

Hot Threads

Recent Insights

Back
Top