Question

in a arrangement shown below pully are massless and frictionless aand threads are inextensible , block of mass m1 will remain at rest if

Answer 1

In the arrangement shown in figure, pulleys are massless and frictionless and threads are inextensible.

The Block of mass m1 will remain at rest, if 4 / m1 = 1 / m2 + 1 / m3.

The right answer is 4 / m1 = 1 / m2 + 1 / m3.