Q. A block weighing 1000 kg rests on a horizontal surface. The coefficient of friction is 0.3 (both static and kinetic). What frictional force will be developed if the force applied to the block in the direction parallel to the horizontal surface is 40 kg

• (A) 40 kg
• (B) 33.33 kg
• (C) 30 kg
• (D) 10 kg