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Physics 1

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The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W = 55600 N. The lift force generated by the rotating blade makes an angle of 21.0° with respect to the vertical.

(a) What is the magnitude of the lift force?
1 . N

(b) Determine the magnitude of the air resistance that opposes the motion.
2 . N

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