If both the radius of the circular trajectory and the speed of the aircraft were reduced by a factor of two, how would the force exerted on the pilot change from the answer you found above ?

Explanation:

Considering aircraft of mass m is moving with constant  velocity v in a trajectory of radius r then the force acting on the body is centripetal force.

Centripetal force will acts on a body when a particle moves in a circular trajectory

It is given by

if both  speed and radius is reduced to half then force become

Force will reduced to half

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