Question Answers

Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > The ladder shown in figure has negligible mass and rests on a frictionless floor. The crossbar connects the two legs of the ladder at the middle. The angle between the two legs is 600. The fat person sitting on the ladder thas a mas of 80 kg. Find the contact force exerted by the floor on each leg and the tension in the cross bar.

The ladder shown in figure has negligible mass and rests on a frictionless floor. The crossbar connects the two legs of the ladder at the middle. The angle between the two legs is 600. The fat person sitting on the ladder thas a mas of 80 kg. Find the contact force exerted by the floor on each leg and the tension in the cross bar.

A uniform circular disc has a sector of angle 90∘ removed from it. Mass of the remaining disc is M. Write the moment of inertia of the remaining disc about the axis xx shown in figure (Radius is R)