The resultant of two forces P N and 3...

The resultant of two forces P N and 3 N is a force of 7 N. If the direction of 3 N force were reversed, the resultant would be `sqrt(19)` N. The value of P is (1) 5 N (2) 6 N (3) 3N (4) 4N

A

5 N

B

6 N

C

3 N

D

4 N

Text Solution

Verified by Experts

The correct Answer is:

A

Topper's Solved these Questions

ADDITION AND MULTIPLICATION OF VECTORS
ML KHANNA|Exercise Problem Set (3) (TRUE AND FALSE) |3 Videos
ADDITION AND MULTIPLICATION OF VECTORS
ML KHANNA|Exercise Problem Set (3) (FILL IN THE BLANKS) |8 Videos
ADDITION AND MULTIPLICATION OF VECTORS
ML KHANNA|Exercise Problem Set (2) (FILL IN THE BLANKS) |23 Videos
AREA OF CURVES
ML KHANNA|Exercise SELF ASSESSEMENT TEST|16 Videos

Similar Questions

Explore conceptually related problems

The resultant of two forces PN and 3N is a force of 7N .If the direction of 3N force were reversed,the resultant would be sqrt(19)N. The value of P is (1)5N(2)6N(3)3N(4)4N

The resultant of two forces of 10N and 5N can never be :-

The resultant force of 5 N and 10 N can not be

The resultant force of 5 N and 10 N cannot be

The resultant of two like parallel forces 5 N and 10 N is _______ N.

The resultant of 2 forces of magnitude 1N and 13N is 6sqrt(5)N . Find the tangent of the angle made by resultant with 1N force.

The x and y components of a a force are 2N and -3N . The force is

Two forces of 5N and 7N act on a aprticle with an angle of 60^(@) between them. Find the resultant force.

The resultant of two forces of magnitude 5 N and 3 N trisects the angle between them. Calculate the angle between them.

Three concurrent co-planer force 1N , 2N and 3N acting along different directions on a body

ML KHANNA-ADDITION AND MULTIPLICATION OF VECTORS -Problem Set (3) (MULTIPLE CHOICE QUESTIONS)

If a,b,c ar enon-coplanar vectors and lamda is a real number, then the...
Text Solution
|
If bara,barb,barc are non-coplanar vectors and lambda is a real number...
Text Solution
|
The resultant of two forces P N and 3 N is a force of 7 N. If the d...
Text Solution
|
a =hati+hatj-hatk,b= hati-2hatj+hatk,c=hati-hatj-hatk, then a vector i...
Text Solution
|
Let a =i-j,b=j-k,c=k-i. If d is a unit vector such that a.d =0 = [vecb...
Text Solution
|
x,y,z are distinct scalars such that [xa+yb+zc, xb+yc+za, xc+ya+zb] =0...
Text Solution
|
If l,j,k are the usual three perpendicular unit vectors then the val...
Text Solution
|
Write the value of hat idot( hat jxx hat k)+ hat jdot( hat kxx hat i)...
Text Solution
|
If a =i+j-k,b=i-j+k andc=i-j-k then axx(bxxc) =
Text Solution
|
If a,b,c be three non-coplanar vectors, then (i) [a-b,b-c,c-a]=
Text Solution
|
If A, B, C are three points with position vectors i+j,i-j and p.i+qj+...
Text Solution
|
If a = i +j + k, b = 4i + 3j + 4k and c = i + alphaj + betak are linea...
Text Solution
|
If a.b = b.c = c.a = 0, then a.(bxxc)=
Text Solution
|
For non-coplanar vectors a, b and c, abs((a times b)*c)=abs(a) abs(b) ...
Text Solution
|
If x=3i-6j-k, y=i+4j-3k" and "z=3i-4j-12k, then the magnitude of the p...
Text Solution
|
IF a,b,c are non-coplanar vectors, then |{:(a.a,,a.b.,,a.c),(b.a,,b....
Text Solution
|
a,b,c are unit vectors such that aand b are mutualy perpendicular and ...
Text Solution
|
If a,b and c are three non-coplanar vectors, then the scalar product o...
Text Solution
|
If a, b and c are non-zero vectors such that a times b=c, b times c=a ...
Text Solution
|
a =2i-j+k, b=i+2j-3k, c=3i+lambdaj+5k and if these vectors be coplanar...
Text Solution
|