Physics-
General
Easy
Question
As shown in figure the tension in the horizontal cord is 30N The weight W and tension in the string OA in Newton are:
- None of these
The correct answer is:
Related Questions to study
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
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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
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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
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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
physics-
For the fig as shown:
For the fig as shown:
physics-General
physics-
Forces 3N, 4N and 12N act at a point along x, y and z axis respectively The magnitude of the i resultant force is :
Forces 3N, 4N and 12N act at a point along x, y and z axis respectively The magnitude of the i resultant force is :
physics-General
physics-
If the density of a small planet is the same as that of earth, while the radius of the planet is 0.2times that of the earth, the gravitational acceleration on the surface of that planet is
If the density of a small planet is the same as that of earth, while the radius of the planet is 0.2times that of the earth, the gravitational acceleration on the surface of that planet is
physics-General
physics-
A body weight 500 N on the surface of the earth. How much would it weigh half way below the surface of the earth
A body weight 500 N on the surface of the earth. How much would it weigh half way below the surface of the earth
physics-General
physics-
Let g be the acceleration due to gravity at earth’s surface and K be the rotational kinetic energy of the earth. Suppose the earth’s radius decreases by 2% keeping all other quantities same, then-
Let g be the acceleration due to gravity at earth’s surface and K be the rotational kinetic energy of the earth. Suppose the earth’s radius decreases by 2% keeping all other quantities same, then-
physics-General
physics-
Gravitational mass is proportional to gravitational
Gravitational mass is proportional to gravitational
physics-General
