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Heres2hoping
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Homework Statement
A spider builds a web using 4 strands as support.
Strand 1: 21mN [20°E of N]
Strand 2: 16mN [60°E of S]
Strand 3: 18mN [40°W of S]
Determine the force of tension in strand 4 assuming the web is stable.
Homework Equations
r(cosθ) - N/S components
r(sinθ) - E/W components
The pythagoren theorem might be of use along with equations used in simple trig.
The Attempt at a Solution
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North-South components:
Strand 1: 19.7mN [N]
Strand 2: 8mN
East-West components:
Strand 1: 7.1mN [E]
Strand 2: 13.9mN [E]
Strand 3: 11.6mN [W]
Other than that I've determined that the direction will be in the North-West segment. I'm just having issues determining the total force acted by the 3 given strands. Any pointers would be much appreciated. :)