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1118 questions found

Module 2. Physics

A force perpendicular to a beam produces what type of stress?

  • axial.
  • shear.
  • radial
bennguli asking:

i think the answer is tensile stress,becouse its given by force perpendicular to the cross sectional area/cross section area....kindly someone explain to me why SHEAR

Module 2. Physics

1 degree rise on the centigrade scale will cause a

  • 1.8 degree rise in Fahrenheit.
  • 33 degree rise in Fahrenheit.
  • 2.5 degree rise in Fahrenheit.
bennguli asking:

kindly someone explain for me

Module 8. Basic aerodynamics

Angle of attack on a down going wing in a roll

  • increases.
  • decreases.
  • unaffected.
giovanni asking:

why? thanks for the help.

Module 8. Basic aerodynamics

The induced drag of an aircraft

  • increases if the aspect ratio is increased.
  • decreases with increasing speed.
  • increases with increasing speed.
bennguli asking:

can somewone explain this

Module 1. Mathematics

Calculate the height of an obtuse triangle whose base is X cm and the area is Y square cm.

  • Y + X / 2
  • Y * 2 / X
  • Y * 2 * X
bennguli asking:

explain please

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