CBSE Class 11-science Answered
Two mass M and m are connected at ywo ends of an inextensible string. The string passes over a smooth frictionless pulley. Obtain the expression for acceleration of the masses and the tension in the string. Given M>m.
Asked by rakeshprasad1112 | 02 Dec, 2016, 09:54: PM
Expert Answer
For mass m, the forces are given as
T - mg = ma ...... (1)
Similarly, for mass M, the forces are given as
Mg - T = Ma ...... (2)
From equation (1), we have
T = mg + ma ...... (3)
Substituting equation (3) in (2) we get
Mg - mg - ma = Ma
g(M - m) = a(M + m)
Substituting the value of a in equation 1,
Answered by Romal Bhansali | 05 Dec, 2016, 10:34: AM
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