Question: When a mass of 25 kg is hung from the middle of a fixed straight aluminum wire, the wire sags to make an angle of

When a mass of 25 kg is hung from the middle of a fixed straight aluminum wire, the wire sags to make an angle of 12i with the horizontal as shown in Fig. 9-77. Determine the radius of the wire.

12 12 12 Л2

12 12 12 2" 25 kg

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