The system shown is at rest. Box 2 weighs 61N. Determine all unknowns, neglecting friction in the pulley and the weight of the knot and each string. How much does box 1 weigh? N How much does box 3 weigh? N box 1 56° box 2 27° box 3

The system shown is at rest. Box 2 weighs 61N. Determine all unknowns, neglecting friction in the pulley and the weight of the knot and each string. How much does box 1 weigh? N How much does box 3 weigh? N box 1 56° box 2 27° box 3

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 82A

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Question

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The system shown is at rest. Box 2 weighs 61N. Determine all unknowns, neglecting friction in the pulley and the weight of the knot and each string.

How much does box 1 weigh?

How much does box 3 weigh?

I know that

T1cos(θ) = T2cos(θ)
T1sin(θ) + T2sin(θ) = The Weight of Box 2

But how do I find T1 and T2? ( The Hyp's)

The system shown is at rest. Box 2 weighs 61 N. Determine all unknowns,
neglecting friction in the pulley and the weight of the knot and each string.
How much does box 1 weigh?
N
How much does box 3 weigh?
N
www
box 1
56°
box 2
27°
www
box 3

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