Find a vector which is perpendicular to the plane

Click For Summary
SUMMARY

To find a vector that is perpendicular to the plane defined by vectors a and b, one must compute the vector product (cross product) of a and b. The resulting vector from this operation is guaranteed to be perpendicular to both a and b, thus satisfying the requirement of being perpendicular to the plane they form. There is no need to find an additional vector that is parallel to the resulting vector, as the cross product alone is sufficient for this purpose.

PREREQUISITES
  • Understanding of vector operations, specifically the cross product.
  • Familiarity with vector notation and representation in three-dimensional space.
  • Basic knowledge of planes and their geometric properties.
  • Ability to perform calculations involving vectors in a coordinate system.
NEXT STEPS
  • Study the properties and applications of the vector product in three-dimensional geometry.
  • Learn about the geometric interpretation of the cross product and its significance in physics.
  • Explore how to compute the cross product using different coordinate systems, such as Cartesian coordinates.
  • Investigate the relationship between vectors and planes in linear algebra, including normal vectors.
USEFUL FOR

Students studying vector mathematics, physics enthusiasts, and anyone involved in geometry or linear algebra who needs to understand the concept of perpendicular vectors in a plane.

nicholasjgroo
Messages
5
Reaction score
0

Homework Statement


the vectors a and b


Homework Equations


find a vector which is perpendicular to the plane containing vectors a and b


The Attempt at a Solution



do i find the vector product of a and b and then find something that's parallel to that or...?
 
Physics news on Phys.org


Yes, that's a good one.

Hint: note that the vector v is parallel to the vector v.
 


The vector product will give you a vector that is perpendicular to both a and b. This should be sufficient to answer the question, I don't think you need to find another which is parallel to this vector.
 

Similar threads

  • · Replies 4 ·
Replies
4
Views
2K
Replies
26
Views
2K
  • · Replies 12 ·
Replies
12
Views
3K
  • · Replies 5 ·
Replies
5
Views
3K
  • · Replies 8 ·
Replies
8
Views
2K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 3 ·
Replies
3
Views
2K
Replies
2
Views
1K
  • · Replies 25 ·
Replies
25
Views
2K