A jet transport has a weight of 1.87 x 10 6 N and is at rest on the runway. The

Question

A jet transport has a weight of 1.87 x 106 N and is at rest on the runway. The two rear wheels are 16.0 m behind the front wheel, and the plane's center of gravity is 12.1 m behind the front wheel. Determine the normal force exerted by the ground on (a) the front wheel and on (b) each of the two rear wheels.

A jet transport has a weight of 1.87 x 106 N and is at rest on the runway. The two rear wheels are 16.0 m behind the front wheel, and the plane's center of gravity is 12.1 m behind the front wheel. Determine the normal force exerted by the ground on (a) the front wheel and on (b) each of the two rear wheels.

Explanation / Answer

we have equations...

mg=Ff+2Fr....Newtons Law

Ff*12.1=2*Fr*3.9...Body should not tople

mg=(1+(12.1/3.9))Ff

Ff=mg/((1+(12.1/2/3.9)))=455.81*10^3N

Fr=707.09*10^3N

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