Drawing 2D Velocity Structures?

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SUMMARY

This discussion focuses on drawing 2D velocity structures related to the motion of a plane. The key velocities include VAP (velocity of the plane relative to the air), VAG (velocity of the plane relative to the ground), and VPG (velocity of the air relative to the ground). Participants emphasize the importance of correctly positioning the velocity vectors according to the vector equation AG = AP + PG. Proper labeling and direction of the arrows are crucial for accurate representation.

PREREQUISITES
  • Understanding of vector addition and subtraction
  • Familiarity with basic physics concepts of relative motion
  • Knowledge of vector notation and terminology
  • Ability to draw and interpret vector diagrams
NEXT STEPS
  • Research vector addition techniques in physics
  • Learn about the graphical representation of vectors
  • Study the concept of relative velocity in different frames of reference
  • Explore resources on vector triangles and their applications
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Students studying physics, educators teaching vector concepts, and anyone interested in understanding relative motion in aerodynamics.

justinh8
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Drawing 2D Velocity Structures?

Homework Statement


I need some help in drawing structures such as velocity of the plane relative to the air, velocity of the plane relative to the ground, and velocity of the air relative to the ground. Please give me some tips on how to drawing these, thanks!
 
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hijustinh8! :smile:

usually, you're given two out of the three velocities, and you're asked to find the third…

drawing the two given velocities is easy (mark them with arrows), the only difficulty is knowing whether to fit one onto the beginning or the end of the other!

to get that right , give them names like VAP VAG and VPG …

then all you have to remember is that the arrows must agree with the vector equation AG = AP + PG :smile:

see also the pf library on vector triangle :wink:
 
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