Question

0.67
Figure shows two blocks of' masses 5 kg and 20 kg connected by a light, inextensible string passing
over a smooth pulley of mass 10 kg. An upward pulling force is applied on the pulley as shown. The
reaction force between 5 kg block and ground is
F=180 N
Pulley
10 kg) (Smooth)
5kg) 20kg
Ground is
(1) 50 N
(2) 40 N
(3) 10 N
(4) Zero

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Answer 1

The amswer is zero

As weight is balanced by 20kg mass