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oceanflavored
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Tensions in Wires :)
A 10.0-kg picture is held in place by two wires, one hanging at 50.0o to the left of the vertical and the other at 45.0o to the right of the vertical. What is the tension in the first wire? What is the tension in the second wire?
Force = mass(acceleration)
Weight = mass(gravity)
So, I drew my free body diagram, drawing the two forces and the weight pointing downwards in a vertical direction.
Then, I reasoned that since it was being "held in place," acceleration would be zero, meaning the net force would be zero.
so then, I tried to solve for the tension in wire that was hanging at 50.0o to the left of the vertical:
net force = T1 cos 50o - (10.0 kg)(9.81 m/s2) = 0
But that gave me an answer of 152.6 N, which definitely did NOT match the book's answer of 69.6 N.
I'm sorry I'm this confused; all the previous examples/problems I've done had the wires hanging at equal angles, so the tensions were always equal :/
Thus, I'd really appreciate if you could tell me where I'm going wrong! Thank you so so so so so so much :)
Homework Statement
A 10.0-kg picture is held in place by two wires, one hanging at 50.0o to the left of the vertical and the other at 45.0o to the right of the vertical. What is the tension in the first wire? What is the tension in the second wire?
Homework Equations
Force = mass(acceleration)
Weight = mass(gravity)
The Attempt at a Solution
So, I drew my free body diagram, drawing the two forces and the weight pointing downwards in a vertical direction.
Then, I reasoned that since it was being "held in place," acceleration would be zero, meaning the net force would be zero.
so then, I tried to solve for the tension in wire that was hanging at 50.0o to the left of the vertical:
net force = T1 cos 50o - (10.0 kg)(9.81 m/s2) = 0
But that gave me an answer of 152.6 N, which definitely did NOT match the book's answer of 69.6 N.
I'm sorry I'm this confused; all the previous examples/problems I've done had the wires hanging at equal angles, so the tensions were always equal :/
Thus, I'd really appreciate if you could tell me where I'm going wrong! Thank you so so so so so so much :)