Is balagi series for IIT is good to take. How to study for IIT exam what other books should I take for IIT exam pls specify the name of the book of all subjects in categorized way. How to spend equal time on all subjects equally pls tell this answer also. At last I want to say I feel ashamed of myself of not studying properly for IIT exam.

Regards Kshitiz Gupta from Kanpur.

Three identical balls are placed on a frictionless horizontal surface touching each other. They stick to each other because of adhesive. Another ball of same radius and mass m is placed over the void created by the three balls. Find the forces applied by the balls kept on the floor to each other if the system remains in equilibrium.

A car loaded with water having total mass 1000 kg moves on a straight horizontal Road starting from rest under the action of a force of 100 Newton. The water spills throw a small hole in the bottom at a rate of 0.1 KG per second the velocity of cart after 300 seconds is nearly.

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