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In the figure, a 140 kg uniform log hangs by two steel wires, A and B,...

In the figure, a 140 kg uniform log hangs by two steel wires, A and B, both of radius 1.00 mm. Initially, wire A was 2.50 m long and 2.20 mm shorter than wire B. The log is now horizontal. Young's modulus for steel is 2.00 × 1011 N/m2.

What are the magnitudes of the forces on it from (a) wire A and (b) wire B? (c) What is the ratio dA/dB?

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A E Solin しかし :962 32 N

似katta.illun ugt alao Van12h we 饷& 2.32y o. 425

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