Finding resultant at each pair of forces

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SUMMARY

The discussion focuses on calculating the resultant of two forces: 6 N directed southwest and 8 N directed northwest. The resultant force is confirmed to be 10 N at an angle of N82°W. Participants emphasize the importance of visualizing vector addition and suggest using sketches to clarify the process. Additionally, converting between rectangular and polar forms of vectors is highlighted as a crucial skill for understanding the problem.

PREREQUISITES
  • Understanding of vector addition and resultant forces
  • Familiarity with polar and rectangular forms of vectors
  • Basic trigonometry for angle calculations
  • Ability to sketch vector diagrams for visualization
NEXT STEPS
  • Learn how to perform vector addition using graphical methods
  • Study the conversion between rectangular and polar forms of vectors
  • Explore trigonometric functions for calculating angles in vector problems
  • Practice problems involving resultant forces in different directions
USEFUL FOR

Students in physics, engineers dealing with force analysis, and anyone interested in mastering vector addition and resultant calculations.

ssb1
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Find the resultant of each pair of forces acting on an object

Q: forces of 6 N southwest and 8 N northwest

I got 10 for the resultant, but how do I find the angle?

The answer is apparently is 10 N, N82degW

Having a hard time visualizing this...
 
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ssb1 said:
Find the resultant of each pair of forces acting on an object

Q: forces of 6 N southwest and 8 N northwest

I got 10 for the resultant, but how do I find the angle?

The answer is apparently is 10 N, N82degW

Having a hard time visualizing this...

Welcome to the PF.

(next time you start a schoolwork thread, please do not delete the Homework Help Template -- please fill it out instead) :smile:

Can you post a sketch of the two vectors, and show how you got the magnitude of the sum? Show the angles as well.

Are you familiar with converting between rectangular and polar forms of vectors?
 

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