Question: A 120-lb pilot flies a jet trainer in a half vertical loop of 3600-ft radius so that the speed of the trainer decreases at a

A 120-lb pilot flies a jet trainer in a half vertical loop of 3600-ft radius so that the speed of the trainer decreases at a constant rate. Knowing that the pilot??s apparent weights at points A and C are 380 lb and 80 lb, respectively, determine the force exerted on her by the seat of the trainer when the trainer is at pointB.

I C A 3600 ft 1 B

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