The weight of an object can be measured by a:

Which of the following will produce the maximum friction?

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:

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:

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