Question

Two weights w1 and w2 are connected by a light thread which passes over a light smooth pulley.if the pulley is raised with an acceleration equal to g,then the tension in the thread will be

Answer 1

Here downward acceleration experienced by w1 and w2 will by 2g because of the pseudo force created by raising the pulley with acceleration equal to g.

Hence, in general formula of tension take 2g instead of g
T = 2 m1m2 × (2g) / (m1 + m2)
T = [4m1m2 / (m1 + m2)]g
In terms of w1 and w2
T = 4w1w2 / (w1 + w2) ……[∵ w1 = m1g and w2 = m2g]

Answer 2

Answer:

Explanation:

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