(Solution Download) A tank of water having a total mass of 36 kg rests on the floor of an elevator. Determine the force.

A tank of water having a total mass of 36 kg rests on the floor of an elevator. Determine the force (in newtons) that the tank exerts on the floor when the elevator is accelerating upward at 7ft/s^2. Explain your answer in explicit details, and list all steps leading up to your final answer. hint: try to visualize the situation.