A uniform steel ring 60 in. in diameter and weigh-
ing 600 lb is lifted by the three cables, each 50 in.
long, attached at points A, B, and C as shown. Com-
pute the tension in each cable.
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Explanation:
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Answer:
The tension in each cable is
Explanation:
The free body diagram of the steel ring is given in the attachment.
Given that,
Length of cable=50inches
Diameter of steel ring=60inches
=>Radius of steel ring=30inches
From Pythagorous Theorem,we have
The coordinates of A,B,C&D are given as follows
Position vectors can be found as follows
We can find tension vector as follows
Similarly unit vector BD,CD and their tensions can be found as follows
Weight vector is given as
For equilibrium,sum of tension in all cables and weight of the steel ring is equal to zero
Equating i,j,k coefficients we get
Solving the above equations we get
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