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Two Masses,M1 and M2 Hang Over a Frictionless Pulley by Means

Question 70

Multiple Choice

Two masses,M1 and M2 hang over a frictionless pulley by means of a massless string.They are perfectly balanced when a flea of mass m is standing on M2.When the flea hops from one mass to the other,the system acquires an acceleration,a.What is the value of a in terms of the three masses?


A) a=g(m/(M1+M2) )
B) a=g(m/2M1)
C) a=g(m/M1)
D) a=g(m/M2)

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