Question

An aeroplane of 4×10^4 kg mass is designed with the line of thrust 8×10^(-1) m above the line of drag. In routine flight the drag is 15.2 kN, and the centre of pressure on the mainplane is 200 mm behind the centre of mass. If the centre of pressure on the tailplane is 12 m behind the centre of mass, what is the lift from the tailplane?

          An aeroplane of 4×10^4 kg mass is designed with the line of thrust 8×10^(-1) m above the line of drag. In routine flight the drag is 15.2 kN, and the centre of pressure on the mainplane is 200 mm behind the centre of mass. If the centre of pressure on the tailplane is 12 m behind the centre of mass, what is the lift from the tailplane?
        
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Physics for Scientists and Engineers with Modern Physics
Physics for Scientists and Engineers with Modern Physics
Raymond A. Serway, John W. Jewett, Jr. 7th Edition
Chapter 14
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An aeroplane of 4×10^4 kg mass is designed with the line of thrust 8×10^(-1) m above the line of drag. In routine flight the drag is 15.2 kN, and the centre of pressure on the mainplane is 200 mm behind the centre of mass. If the centre of pressure on the tailplane is 12 m behind the centre of mass, what is the lift from the tailplane?
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An airplane with 5500 kg of mass is flying straight and level at its maximum speed. The thrust line is horizontal and is 0.3 m above the drag line, which passes through the center of gravity. If the drag is 12.0 kN, and the center of pressure is 0.6 m behind the center of gravity, find the load on the tail plane (in SI units) which is 5.5 m behind and on a level with the center of gravity. Round off your answer to the hundreds place. Indicate only the numeric value of your response.

Penny R.


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Transcript

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00:01 What is the lift from the tail plane? so to find the lift from our tail plane, we can write this expression.
00:07 Our force from our tail plane is equal to w times our d center of mass plus d times h over d of our tail plane.
00:18 We can go ahead and plug in our values...
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