Physics-
General
Easy
Question
The vectors 
are such that 
.The angle between vectors 
- 90°
- 60°
- 75°
- 45°
The correct answer is: 90°
Related Questions to study
physics-
If 
then angle between 
If then angle between
physics-General
physics-
Which of the following is a scalar quantity:
Which of the following is a scalar quantity:
physics-General
physics-
Angular momentum is:
Angular momentum is:
physics-General
physics-
Figure shows ABCDEF as a regular hexagon What is the value of 
Figure shows ABCDEF as a regular hexagon What is the value of
physics-General
physics-
Find the resultant of three vectors 
shown in the following figure Radius of the circle is R
Find the resultant of three vectors shown in the following figure Radius of the circle is R
physics-General
physics-
As shown in figure the tension in the horizontal cord is 30N The weight W and tension in the string OA in Newton are:
As shown in figure the tension in the horizontal cord is 30N The weight W and tension in the string OA in Newton are:
physics-General
physics-
P, Q and R are three coplanar forces acing at a point and are in equilibrium Given P = 1.9318 kg wt, sin 
= 0.9659, the value of R is (in kg wt)
P, Q and R are three coplanar forces acing at a point and are in equilibrium Given P = 1.9318 kg wt, sin = 0.9659, the value of R is (in kg wt)
physics-General
physics-
If the resultant of the two forces has a magnitude smaller than the magnitude of larger force, the two forces must be:
If the resultant of the two forces has a magnitude smaller than the magnitude of larger force, the two forces must be:
physics-General
physics-
An object of m kg with speed of v m/s strikes a wall at an angle 
and rebounds at the same speed and same angle The magnitude of the change in momentum of the object will be :
An object of m kg with speed of v m/s strikes a wall at an angle and rebounds at the same speed and same angle The magnitude of the change in momentum of the object will be :
physics-General
physics-
If 
then which of the following is NOT correct :
If then which of the following is NOT correct :
physics-General
physics-
The vector that must be added to the vector – 3 + 2 and 3 + 6 – 7 so that the resultant vector is a unit vector along the y–axis is :
The vector that must be added to the vector – 3 + 2 and 3 + 6 – 7 so that the resultant vector is a unit vector along the y–axis is :
physics-General
physics-
If vectors 
are coplanar, the value of y is:
If vectors are coplanar, the value of y is:
physics-General
physics-
I started walking down a road to day-break facing the sun After walking for some time, I turned to my left, then I turned to the right once again In which direction was I going then?
I started walking down a road to day-break facing the sun After walking for some time, I turned to my left, then I turned to the right once again In which direction was I going then?
physics-General
physics-
Out of the following the resultant of which cannot be 4 newton?
Out of the following the resultant of which cannot be 4 newton?
physics-General
physics-
If 
and the magnitude of 
are 5, 4 and 3 units respectively, the angle between 
If and the magnitude of are 5, 4 and 3 units respectively, the angle between
physics-General
