हवाई जहाजों का विज्ञान Science of Airplanes: – चार प्रकार के बल -Four Forces FREE ALFORD BOOKS
Douglas J Alford · Pakaket Alford
Mfg Application Konsulting Engr
4.3star
49 reviews
Ebook
46
Pages
family_home
Eligible
info
About this ebook
Somehow seeing birds fly, makes sense to us. But what about an airplane that weighs as much as an elephant herd? How can heavy planes fly? See inside this book for the science of engine push; wing lift; drag back and gravity down. Moving air is the magic ingredient that enables flight.
Education
Ratings and reviews
4.3
49 reviews
5
4
3
2
1
shanu shaan
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December 30, 2018
Awesome.!!
2 people found this review helpful
Sarang Kadam
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May 31, 2020
Hindi language not perfect type
3 people found this review helpful
Rupesh Roy
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June 10, 2018
Great book for kids.
5 people found this review helpful
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