How do you graph vectors on a graph paper using their magnitude and direction?

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Homework Help Overview

The discussion revolves around graphing vectors based on their magnitude and direction, specifically focusing on two vectors: Vector A (1.96N at 20°) and Vector B (1.71N at 65°). Participants are exploring how to accurately represent these vectors on graph paper and the implications of their graphical representation.

Discussion Character

  • Exploratory, Assumption checking, Problem interpretation

Approaches and Questions Raised

  • Participants discuss the conversion of vector magnitudes from Newtons to centimeters for graphing purposes and question the interpretation of angles (clockwise vs. anticlockwise). There is also confusion regarding the resultant vector's angle and whether it should be adjusted back to the original magnitude.

Discussion Status

The discussion is active, with participants questioning the addition of vectors and the resulting angles. Some have provided guidance on maintaining consistent units and mapping, while others express confusion about the graphical results and seek clarification through diagrams.

Contextual Notes

There is uncertainty regarding the direction of angles and the method of vector addition, as well as a need for visual representation to clarify the situation. Participants are also navigating the implications of their scaling choices on the final vector representation.

stolencookie

Homework Statement


Vector A: 1.96N at 20°
Vector B: 1.71N at 65°

Homework Equations

The Attempt at a Solution


I change the Newtons to cm. Vector A: 1.96cm and Vector B: 1.71cm. I multiplied it by 2 so it would look bigger on the graph paper. Vector A: 3.92cm and Vector B:3.42cm. I was able to graph it correctly using my protractor and ruler. I then attached the vectors together to find Vector C: 2.58cm at 95°. Thing is would I keep the Vector C as is or change it back to the original by dividing by 2? I am just confused
 
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Are the vectors being added or subtracted?
stolencookie said:
1.96N at 20°
What does "at 20°" mean? Do you mean 20° clockwise (or maybe anticlockwise) from N?
stolencookie said:
would I keep the Vector C as is or change it back to the original by dividing by 2?
You have mapped 1N to 2cm, right? Use the same mapping to read off the answer in N.
 
haruspex said:
Are the vectors being added or subtracted?

What does "at 20°" mean? Do you mean 20° clockwise (or maybe anticlockwise) from N?

You have mapped 1N to 2cm, right? Use the same mapping to read off the answer in N.

Vectors are being added its clockwise
 
stolencookie said:
Vectors are being added its clockwise
Then I don't understand how you could get an answer with angle greater than 90 degrees when each constituent vector has an angle between 0 and 90.
Can you post a diagram?
 
haruspex said:
Then I don't understand how you could get an answer with angle greater than 90 degrees when each constituent vector has an angle between 0 and 90.
Can you post a diagram?
my bad anticlockwise...
 
stolencookie said:
my bad anticlockwise...
Same response, I do not see how you coukd get that answer.
 

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