Finding Resultant Force on Beam: F1 & F2

In summary, the conversation discusses how to find the magnitude and line of action of the single resultant force acting on a beam. It is determined by finding the y components of the forces and subtracting them from each other, and the horizontal component of F1 is ignored. The line of action of F1 is determined by drawing a line parallel to F1 and determining where it intersects with the axis passing through O. The method for finding the resultant force is also mentioned.
  • #1
Ry122
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Is the magnitude of the single resultant force found by finding the y components of the forces that are acting on the beam then subtracting them from each other? Is the horizontal component of F1 ignored?

Also, the line of action of F1 is supposed to be 1.384M. How is this value determined?
 
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  • #2
Ry122 said:
Is the magnitude of the single resultant force found by finding the y components of the forces that are acting on the beam then subtracting them from each other? Is the horizontal component of F1 ignored?

Also, the line of action of F1 is supposed to be 1.384M. How is this value determined?
The force, F1, acts on the beam at a distance/displacement 0.2 m from the axis passing through O. Draw a line parallel and through F1, and determine how far from O that line through F1 intersects the axis.
 
  • #3
Could you also tell me if my method of finding the resultant force is correct? thanks
 

1. What is the formula for finding the resultant force on a beam?

The formula for finding the resultant force on a beam is F = F1 + F2, where F is the resultant force and F1 and F2 are the individual forces acting on the beam.

2. How do I determine the direction of the resultant force on a beam?

The direction of the resultant force on a beam can be determined by using the right-hand rule. Simply point your right thumb in the direction of the first force and your index finger in the direction of the second force, and the resultant force will be in the direction of your middle finger.

3. Can the resultant force on a beam be negative?

Yes, the resultant force on a beam can be negative. This means that the forces acting on the beam are in opposite directions and cancel each other out, resulting in a net negative force.

4. What happens when the resultant force on a beam is zero?

When the resultant force on a beam is zero, it means that the forces acting on the beam are balanced and there is no net force on the beam. This could happen if the two forces are equal in magnitude and opposite in direction.

5. How do I calculate the magnitude of the resultant force on a beam?

The magnitude of the resultant force on a beam can be calculated using the Pythagorean theorem. Simply square the magnitude of each force, add them together, and take the square root of the sum to find the resultant force's magnitude.

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