Magnitude of tension force using moment

as a start, you can use moments about the point where the three cables meet to find the horizontal and vertical components of the total tension in the three cables, and then use pythagoras to find the total tension in each cable
  • #1
kleeds
4
0

Homework Statement


a uniform steel ring 60" in diameter and weighing 600 lbs is lifted by three cables each 50" long attached at points A (90*) B (90*) C (120*) with a radius of 30". compute the magnitude of tension force in each cable

Homework Equations


all moment equations
ft=ma

The Attempt at a Solution


first two cables have a force of 250 lbs and last one has 100 lbs. more of an incorrect guess figured since two have the same angle they would be the same. since there is almost no acceleration (besides gravity) i don't think i could solve it with my equation. it also wouldn't help because i need tension in each string not one tension.

note: degrees=*
 
Last edited:
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  • #2
welcome to pf!

hi kleeds! welcome to pf! :smile:

kleeds said:
a uniform steel ring 60" in diameter and weighing 600 lbs is lifted by three cables each 50" long attached at points A (90*) B (90*) C (120*) with a radius of 30". compute the magnitude of tension force in each cable

i don't understand what the tops or bottoms of the cables are attached to, or what those angles are :confused:
 

FAQ: Magnitude of tension force using moment

What is the definition of tension force?

Tension force is a type of force that is exerted by a string, cable, or any other rope-like object that is pulled tight. It is a pulling force that is directed along the length of the object.

What is the significance of determining the magnitude of tension force using moment?

Determining the magnitude of tension force using moment is important because it allows us to understand the amount of force being applied to an object in a rotational system. This information can be used to design and analyze structures, such as bridges and cranes, to ensure they can withstand the forces acting on them.

How is the magnitude of tension force using moment calculated?

The magnitude of tension force using moment can be calculated by taking the product of the distance between the point of rotation and the point where the force is applied, and the force itself. This calculation is based on the principle of moments, which states that the sum of clockwise moments is equal to the sum of counterclockwise moments in a balanced system.

What factors can affect the magnitude of tension force using moment?

The magnitude of tension force using moment can be affected by the distance between the point of rotation and the point where the force is applied, as well as the magnitude of the force itself. Other factors that can impact the magnitude include the angle at which the force is applied and the strength and stiffness of the object being acted upon.

How can the magnitude of tension force using moment be used in real-world applications?

The magnitude of tension force using moment is used in many real-world applications, such as in the design and construction of bridges, cranes, and other structures. It is also used in the analysis of mechanical systems, such as pulley systems and levers, to determine the forces at play and ensure the system is balanced and functioning properly.

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