Question

derive an expression for the magnitude and direction of resultant of two vectors inclined to each other?​

Answer 1

Answer:

Parallelogram law states that if two vectors are considered to be the adjacent sides of a Parallelogram, then the resultant of two vectors is given by the vector which is a diagonal passing through the point of contact of two vectors.

In the figure  

P

 and  

Q

​

 are two vectors.with magnitudes equal to length OA and OB respectively and making angle θ between them. Complete the parallelogram, OACB,

Join diagonal OC , that makes angle α with vector  

P

.

According to parallelogram law of vectors the resultant is represented by the diagonal  passing through the point of contact of two vectors.

To find the magnitude of resultant , produce a perpendicular CD to meet OA produced to D.

From △ OCD,

Explanation:

Answer 2

Explanation:

Parallelogram law states that if two vectors are considered to be the adjacent sides of a Parallelogram, then the resultant of two vectors is given by the vector which is a diagonal passing through the point of contact of two vectors.

In the figure

P

and

Q

are two vectors.with magnitudes equal to length OA and OB respectively and making angle θ between them. Complete the parallelogram, OACB,

Join diagonal OC , that makes angle α with vector

P

.

According to parallelogram law of vectors the resultant is represented by the diagonal passing through the point of contact of two vectors.

To find the magnitude of resultant , produce a perpendicular CD to meet OA produced to D.

From △ OCD,