An aircraft loops a vertical loop of radius R = 500 m with a constant velocity v = 360 kmh -1 . Find the weight of the flier of mass m = 70 kg in the lower, upper, and middle points of the loop.
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2. 1 kN, 0. 7 kN, 1. 5 kN
Forces on the flier in the frame of aircaraft (non inertial reference frame) is:
(i) Normal reaction (N)
(ii)Pseudo force 
(iii) Gravitational force d(mg)
According to problem,
v t = v b = v m = v
The net force on flier at every point should be zero in the frame of aircraft. For top point T,
=0.7kN
For bottom point, 
=2.1kN
For middle point, 
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