The average force applied by the ground on the Aeroplane is 16.664 kN.
It states that the force F is directly proportional to the acceleration a of the body and its mass.
F =ma
Given is the mass of aeroplane, m =400 kg and the velocity v = 5000 m/s,
It takes t = 2 min to come to rest, then the acceleration will be
a = velocity /time
a = 5000/(2x60)
a = 41.66 m/s²
According to the Newton's second law of motion.
F = 400 kg x 41.66 m/s²
F = 16.664 kN
Thus, the average force applied by ground on aeroplane is 16.664 kN
Learn more about Newton's second law of motion.
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