# Question

A jet pilot puts an aircraft with a constant speed into a vertical circular loop.

(a) Which is greater, the nor-mal force exerted on the seat by the pilot at the bottom of the loop or that at the top of the loop? Why?

(b) If the speed of the aircraft is 700 km/h and the radius of the circle is 2.0 km, calculate the normal forces exerted on the seat by the pilot at the bottom and top of the loop. Express your answer in terms of the pilot’s weight.

(a) Which is greater, the nor-mal force exerted on the seat by the pilot at the bottom of the loop or that at the top of the loop? Why?

(b) If the speed of the aircraft is 700 km/h and the radius of the circle is 2.0 km, calculate the normal forces exerted on the seat by the pilot at the bottom and top of the loop. Express your answer in terms of the pilot’s weight.

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