10. The pilot of an airplane has a mass of 70 kg. She directs the plane into a vertical circle (r = 1000 m) with a constant speed of 140 m/s. What is the apparent weight of the pilot at the bottom of this trajectory? A. 2100 N B. 1400 N C. 690 N D. 1500 N E. 1300 N

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.