Two blocks of masses m and M are connected by means of a metal wire of – McqOptions

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1.	Two blocks of masses m and M are connected by means of a metal wire of cross-sectional area a passing over a frictionless fixed pulley as shown in the figure. The system is then released. If \[M=2\], then the tension per unit crossectional area produced in the wire is
A.	\[\frac{2mg}{3A}\]
B.	\[\frac{4mg}{3A}\]
C.	\[\frac{mg}{A}\]
D.	\[\frac{3mg}{4A}\]
Answer» C. \[\frac{mg}{A}\]

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