1.
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
2.
Two forces, each of magnitude F have a resultant of the same magnitude F. The angle between the two forces is
3.
For the resultant of the two vectors to be maximum, what must be the angle between them
4.
A particle is simultaneously acted by two forces equal to 4 N and 3 N. The net force on the particle is
5.
If the resultant of the two forces has a magnitude smaller than the magnitude of larger force, the two forces must be
6.
A particle has displacement of 12 m towards east and 5 m towards north then 6 m vertically upward. The sum of these displacements is
7.
Following sets of three forces act on a body. Whose resultant cannot be zero
8.
When three forces of 50 N, 30 N and 15 N act on a body, then the body is
9.
The sum of two forces acting at a point is 16 N. If the resultant force is 8 N and its direction is perpendicular to minimum force then the forces are
10.
The resultant of two vectors A and B is perpendicular to the vector A and its magnitude is equal to half the magnitude of vector B. The angle between A and B is
11.
Maximum and minimum magnitudes of the resultant of two vectors of magnitudes P and Q are in the ratio Which of the following relations is true
12.
A plane is revolving around the earth with a speed of 100 km/hr at a constant height from the surface of earth. The change in the velocity as it travels half circle is
13.
A body moves due East with velocity 20 km/hour and then due North with velocity 15 km/hour. The resultant velocity
14.
While travelling from one station to another, a car travels 75 km North, 60 km North-east and 20 km East. The minimum distance between the two stations is
15.
A person goes 10 km north and 20 km east. What will be displacement from initial point
16.
Which pair of the following forces will never give resultant force of 2 N
17.
Two forces 3N and 2 N are at an angle θ such that the resultant is R. The first force is now increased to 6N and the resultant become 2R. The value of θ is
18.
Three concurrent forces of the same magnitude are in equilibrium. What is the angle between the forces ? Also name the triangle formed by the forces as sides
19.
The maximum and minimum magnitude of the resultant of two given vectors are 17 units and 7 unit respectively. If these two vectors are at right angles to each other, the magnitude of their resultant is
20.
The vector sum of two forces is perpendicular to their vector differences. In that case, the forces
