Question

The maximum and magnitudes of the resultant of two vectors are 17 units amd 7 units respectively. Ifthese two vectors will be perpendicular to each other.What will be the magnitude of their resultant? ​

Answer 1

Answer:

F

max

∣=17 N⇒F

1

+F

2

=17

∣F

min

∣=7 N⇒F

1

−F

2

=7

⇒F

1

=12N and F

2

=5N

When, θ=90

0

F

resultant

=

F

1

2

+F

2

2

+2F

1

F

2

Cosθ

=

12

2

+5

2

+0

=13N

Answer 2

Answer:

as both are vectors,

adding of two vectors is equal to resultant of that two vectors,

so,

R=√(A^2+B^2+2ABcos¢)

here¢=90°

and cos 90°=0

so resultant will be,

R=√(A^2+B^2)

R=√(17^2+7^2)

R=√(289+49)

R=√338

R=18.3847763

hope it helps you.