How Do You Calculate Tension Forces in a Hanging Weight Problem?

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SUMMARY

The discussion focuses on calculating tension forces T1 and T2 in a hanging weight problem involving a 300-N weight supported by two ropes, R1 and R2, at angles of 50 degrees and 30 degrees, respectively. Participants emphasize the importance of decomposing forces into their x and y components and applying the equations of equilibrium, specifically \(\sum F_x = 0\) and \(\sum F_y = 0\). The solution involves setting up two equations based on these components to solve for the unknown tensions. This method is standard for analyzing static equilibrium problems in physics.

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mrserv0n
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Let me try to draw this out

--------------------- <-- R2 <30degree
\ R1<50degree /
\ /
\ /
\ /
\ /
\ /
\ / T2 is acting north along the 30 degree (R2)
| T1 is acting north along the 50 degree (R1)
|
|
W=300N

Problem: a 300-N weight is hanging from the ropes R1 and R2. Obtrain the tension forces T1 and T2 acting on the weight.

I have a test in 2 hours and no clue how to solve this problem. I have figured out the 6 others study ones for the most part but need someone to help do this

It appears u can draw it doesn't keep it in tact its basically a triangle upside down with a weight hanging from it
 
Last edited:
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mrserv0n said:
Let me try to draw this out

--------------------- <-- R2 <30degree
\ R1<50degree /
\ /
\ /
\ /
\ /
\ /
\ / T2 is acting north along the 30 degree (R2)
| T1 is acting north along the 50 degree (R1)
|
|
W=300N

Problem: a 300-N weight is hanging from the ropes R1 and R2. Obtrain the tension forces T1 and T2 acting on the weight.

I have a test in 2 hours and no clue how to solve this problem. I have figured out the 6 others study ones for the most part but need someone to help do this

It appears u can draw it doesn't keep it in tact its basically a triangle upside down with a weight hanging from it


Those problems are always dealt the same way:

a) Draw a y and x-axis (here the obvious choice is to put the x-axis aligned East-West)

b) Decompose all the forces into their x and y components

c) Apply [itex]\sum F_x = m a_x[/itex] and [itex]\sum F_y = m a_y[/itex]. In this example, the x and y components of the forces add up to zero.

d) You have two equations and two unknowns (at most). Solve for what you are looking for.
 

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