PROBLEM No 4.8 Class X / SSC-ΙI丨Chapter # 4丨Problems ( A rectangular block of mass 4 kg rests on the top of a metal surface. The co-efficient of friction b/w the box is 0.2. What is the force parallel to the surface is needed to move the block.)

 Sindh Text Board Jamshoro 

                                                                                                                Class X / SSC-ΙI丨Chapter # 4丨Problems 

PROBLEM No 4.8

                A rectangular block of mass 4 kg rests on the top of a metal surface. The co-efficient of friction b/w the box is 0.2. What is the force parallel to the surface is needed to move the block.