A platform is suspended by four wires at its corners. The wires are 3m – McqOptions

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1.	A platform is suspended by four wires at its corners. The wires are 3m long and have a diameter of 2.0mm. Young's modulus for the material of the wires is 1,80,000 MPa. How far will the platform drop (due to elongation of the wires) if a 50 kg load is placed at the centre of the platform?
A.	0.25 mm
B.	0.65 mm
C.	1.65 mm
D.	0.35 mm
Answer» C. 1.65 mm

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