Determine the combined force magnitude

  • Thread starter Thread starter sdjackson79
  • Start date Start date
  • Tags Tags
    Force Magnitude
Click For Summary
The discussion revolves around calculating the combined force magnitude from two vectors, a=2i-5j and b=-8i-3j. Participants clarify the process of vector addition, emphasizing the need to sum horizontal and vertical components separately. One user initially miscalculates but later confirms that the correct combined force magnitude is 10. The conversation highlights the importance of accurately representing vectors and following proper addition methods. Overall, the correct answer and approach to vector addition are established.
sdjackson79
Messages
5
Reaction score
0
a force represented by the vector a=2i+-5j and the other exerts a force b=-8i-3j determine the combined force magnitude
 
Physics news on Phys.org
do you know what vectors are and how they are added? do you know basic Newtonian mechanics?

try drawing a picture, it should clarify things.
 
I am having trouble with it I keep getting - 14
 
what exactly are you doing? the answer is most definately positive.
 
sorry I scrwed up (2i+5j)+(-8i-3j) I add the horizontal components then add the vertical components then simplify. I came up with 10 does this look right
 
which is the correct form of the vectors? in your first post it was 2i-5j and -8i-3j. that way the magnitude of the sum force is 10.
 
Sorry the first posting was the correct one 10 is the answer feeling kinda stupid thank you for the help
 

Similar threads

Undergrad Determining Whether Solution is Vector vs Scalar?
  • · Replies 6 ·
Replies
6
Views
3K
MHB 243.13.01.18 motion of a particle
  • · Replies 14 ·
Replies
14
Views
5K
Vector problem, magnitude of the force
  • · Replies 30 ·
2
Replies
30
Views
2K
What is magnitude of dynamic force?
  • · Replies 9 ·
Replies
9
Views
2K
High School Ambiguity w/ Newton's dot notation + vector-magnitudes
  • · Replies 1 ·
Replies
1
Views
1K
Calculate the magnitude of driving force on the car
  • · Replies 15 ·
Replies
15
Views
2K
Undergrad Do the plates of the capacitor exert a force on each other?
  • · Replies 21 ·
Replies
21
Views
2K
Find the magnitude of the electric force from 3 charges at vertices of a cube
  • · Replies 17 ·
Replies
17
Views
2K
Equation for Fourth Force and its Line of Action?
  • · Replies 6 ·
Replies
6
Views
1K
Undergrad Why Substitute Force Magnitude in Spring Work Calculation?
  • · Replies 8 ·
Replies
8
Views
1K