(a) Determine the normal force exerted by the ground on the front wheel. N (b) D

Question

(a) Determine the normal force exerted by the ground on the front wheel.
N

(b) Determine the normal force exerted by the ground on each of the two rear wheels.
N

A jet transport has a weight of 1.00 x 10^6 N and is at rest on the runway. The two rear wheels are 16.6 m behind the front wheel, and the plane's center of gravity is 11.0 m behind the front wheel. (a) Determine the normal force exerted by the ground on the front wheel. N (b) Determine the normal force exerted by the ground on each of the two rear wheels. N

Explanation / Answer

Let N1 be normal force exerted on the front and N2 be normal force wxerted on the rear. Net vertical force is zero. N1+N2=1e6(N). --- net torque about contact point of the rear wheel with the ground N1*16.6=1e6*(16.6-11) so N2=0.34e6(N). --- so N2=1e6-0.34e6=0.66e6(N). so N2'=N2/2=0.33e6(N)

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