A block with a mass of 10 kg is at rest on a horizontal surface. The coefficient of static friction between the block and the surface p-0.30, and the coefficient of kinetic friction ja -0.25. A force of 20 N acts on the block toward the left. The magnitude of the frictional force on the block is: A) 10 N B) 3.0 N C) 0.10 KN D) 30 N E) 20 N

A block with a mass of 10 kg is at rest on a horizontal surface. The coefficient of static friction between the block and the surface p-0.30, and the coefficient of kinetic friction ja -0.25. A force of 20 N acts on the block toward the left. The magnitude of the frictional force on the block is: A) 10 N B) 3.0 N C) 0.10 KN D) 30 N E) 20 N