A book of mass 5 kg is placed on a table and it is pressed by 10 N force then normal force exerted by the table on the book is

A boy of mass 50 kg standing on ground exerts a force of 500 N on the ground. The force exerted by the ground on the boy will be :

A book of mass 20 g is placed on a table. Find the thrust exerted by thebook on the table. (Take acceleration due to gravity as 10ms^(-2) )

A cube of edge 2 cm and mass 10 g is placed on the surface of a table. What is the pressure exerted by the cube on the table?