Lesson 1
Chapters 1 & 2
Lesson 2
Chapter 3 & Instrument Supplement
Lesson 3
Weather Maps
Lesson 4
Chapter 4
Lesson 5
Chapter 5
Lesson 6
Chapter 6
Lesson 7
Chapter 7
Lesson 8
Chapter 8
Lesson 9
Chapter 9
Lesson 10
Chapter 10
Lesson 11
Wind Shear and Turbulence
Lesson 12
Icing
Lesson 13
Visibility
Lesson 14
Case Study/Self-Briefing
Lesson 15
Case Study/Self-Briefing
Lesson 16
Case Study/Self-Briefing

LESSON 4

Magnitude and Direction of Forces

 

The graphical method of determining the resultant of two forces acting at an angle to each other. The two given forces are represented by the red and black arrows. First construct a parallelogram with the two given forces as sides. The direction and magnitude of the net force is determined by drawing an arrow from the point of application of the given forces to the opposite angle of the parallelogram.

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This web based lab section is being developed with assistance from the College of Letters and Science and the Cooperative Institute of Meteorological Satellite Studies.   Material presented is Copyrighted (C) 2000 by Steve Ackerman .  Feel free to use this material for non-profit educational purposes!