Compute the percent change n in the normal forces. Chapter 3: Equilibrium | Engineers Academy

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Engineering Statics by Meriam and Kraige!

During an engine test on the ground, a propeller thrust T=3000 N is generated on the 1800-kg airplane with mass center at G. The main wheels at B are locked and do not skid; the small tail wheel at A has no brake. Compute the percent change n in the normal forces at A and B as compared with their “engine-off” values.

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[lazarus]

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[J-Stew_]

Why is there a moment about point A, when it is a wheel that is free to spin, while there is not a moment about point B, which acts as a pivot which is not free to spin?

[anathimzamo]

This answer is not accurate. When you punch in the equation of the Nb in the calculator, when the engine is on, it doesn't give 15051N it gives 16794N unless I am punching in the wrong values.

[zikreabtarekegn]

Sorry, i think have a mistake look at a tire of a plane the former tire up distance is 1.4 so how to equat the up distance of the later tire, sorry i confiused that