A book is lying on the horizontal table top. If we tilt the table a little, then the book starts sliding down slowly. This happens because:

Four similar cars having exactly the same mass are running at the same speed on the same road when brakes are applied at the same time. The cars come to a stop after covering distances of 5 m, 5.5 m, 4.8 m and 5.2 m respectively. The friction between the brake pads and discs will be the maximum in the car which travels the distance of:

The weight of an object can be measured by a:

A body shape which offers very little resistance to the flow of air (or water) around it is called:

Which of the following should be used to reduce friction on a carrom board?