Solve the all given parts of following problem:
Problem: Three text books are stacked on the table, the math book has a mass of 0.5 kg, the English book has a mass of 1.0 kg and the Physics book has a mass of 1.5 kg.
Part A: What is the net force acting on the English book?
Part B: What is the normal force acting on the Math book?
Part C: What is the normal force acting on the Physics book?
Please detailed explain all steps to calculate the normal force acting on the Math book.