Magnitude of force

Question

A nurse applies a horizontal force of 147N On a bed that has a mass of 152kg. The magnitude of the normal force acting on the bed is-

Answer 1

If the applied force is in the horizontal direction, the normal force must be the same as the weight if there are no other vertical forces.

 

W = mg = (152 kg)(9.8 m/s²) = ? newtons