Mechanical Principles Merit Question?

Question

Calculate the force responsible for changing the velocity of the aircraft carrying a level turn on a circle of radius 400 m at a velocity of 300 m/s. Mass of the aircraft is 4500kg. Name and find the direction of this force.

Answer 1

a cargo contaner breaks free from the top of the cargo ramp shown below. ignoring friction; use the principle of the coservation of energy to calculate the velocity of the cargo at the instant that it reaches the bottom of the ramp