Two masses m and 2m are attached with each other by a rope passing over a frictionless and massless pulley. If the pulley is accelerated upwards with an acceleration a, what is the value of T ?

Two masses m and 2m are attached with each other by a rope passing ove

1.	Two masses m and 2m are attached with each other by a rope passing over a frictionless and massless pulley. If the pulley is accelerated upwards with an acceleration a, what is the value of T ?
A.	\[\frac{g+a}{3}\]
B.	\[\frac{g-a}{3}\]
C.	\[\frac{4m(g+a)}{3}\]
D.	\[\frac{m(g-a)}{3}\]
Answer» D. \[\frac{m(g-a)}{3}\]

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Two masses m and 2m are attached with each other by a rope passing over a frictionless and massless pulley. If the pulley is accelerated upwards with an acceleration a, what is the value of T ?

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