Solve Chandelier Tension Problem: Get Help from Nate

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In summary, a chandelier hanging in a concert hall is held up by two cables attached to the ceiling near the walls. The cables have tensions T_1 and T_2, and make angles of theta_1 and theta_2 with the ceiling. Using the equations for the sum of forces in the x and y direction, we can solve for the tensions T_1 and T_2. This allows us to find the magnitude of T_1 without using T_2.
  • #1
nateshoe
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Homework Statement


A chandelier with mass m is attached to the ceiling of a large concert hall by two cables. Because the ceiling is covered with intricate architectural decorations (not indicated in the figure, which uses a humbler depiction), the workers who hung the chandelier couldn't attach the cables to the ceiling directly above the chandelier. Instead, they attached the cables to the ceiling near the walls. Cable 1 has tension T_1 and makes an angle of theta_1 with the ceiling. Cable 2 has tension T_2 and makes an angle of theta_2 with the ceiling.



3. The Attempt at a Solution [/b]
I can get this far:
We know the sum of the forces in the x and y direction equals zero so;
for the x:
T1cos(theta1)=T2cos(theta2)

for the y;
T1sin(theta1)=T2sin(theta2)-mg

I need to fiind the magnitude of T1 without using T2

I'm stuck and could use a hand.

Thanks,
Nate
 
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  • #2
It's better to write your equations as "the sum of forces = 0", to avoid mistakes like the one in your second equation. When you draw the free body diagram of a stationary object, the forces all must sum to zero.

for x: [tex]T_1 cos(\Theta_1) - T_2 cos(\Theta_2) = 0[/tex] (which is in the - x direction? T1 or T2?)

for y: [tex]T_1 sin(\Theta_1) + T_2 sin(\Theta_2) - mg = 0[/tex]

You now have two equations in two unknowns, so you can solve for the two tensions. Please show your work as you solve them.
 
  • #3
thanks I got it solved I was just striggling with the algebra
 

1. How can I determine the tension in a chandelier?

To determine the tension in a chandelier, you will need to use the formula T = mg + ma, where T is the tension, m is the mass of the chandelier, g is the acceleration due to gravity, and a is the acceleration of the chandelier. You will need to know the mass and acceleration of the chandelier in order to calculate the tension.

2. What factors affect the tension in a chandelier?

The tension in a chandelier is affected by several factors, including the weight of the chandelier, the strength of the materials it is made of, and the angle at which it is suspended. Additionally, any external forces acting on the chandelier, such as wind or vibrations, can also affect the tension.

3. How do I know if the tension in my chandelier is too high?

If the tension in your chandelier is too high, you may notice that the supporting wires or chains are stretched taut, or that the chandelier is pulling away from the ceiling. You may also hear creaking or cracking noises coming from the chandelier. It is important to address high tension in a chandelier to prevent damage or accidents.

4. Can I adjust the tension in my chandelier?

Yes, the tension in a chandelier can be adjusted by changing the length of the supporting wires or chains. This can be done by a professional or with the help of tools such as turnbuckles. It is important to follow proper safety precautions when adjusting the tension of a chandelier.

5. Should I seek professional help to solve a chandelier tension problem?

In order to ensure the safety and stability of your chandelier, it is recommended to seek professional help when dealing with a chandelier tension problem. A professional can properly assess the situation and make any necessary adjustments or repairs to ensure that the tension is at a safe and appropriate level.

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