JEE Advanced 2020 Full Test 3 Paper 1

Question : 16 of 54

Marks: +1, -0

Two blocks of masses 6kg and 4kg connected by a rope of mass 4kg are resting on frictionless floor as shown. If a constant force of 21 Newton is applied to 6 kg block, tension (In N ) in the rope at point B is (CB:BA=1:1)