A water tank has four taps fixed at points A, B, C, D as shown in Fig. 11.4. The water will flow out at the same pressure from taps at

Two objects repel each other. This repulsion could be due to

Which one of the following forces is a contact force?

A brick is kept in three different ways on a table as shown in Fig.

11.5. The pressure exerted by the brick on the table will be

A ball of dough is rolled into a flat chapatti. Name the force exerted to change the shape of the dough.