position of a particle in a rectangular co ordinate system is 3,2,5. Then its position vector will be
For the following sets of forces, the resultant can never be zero. choose the right ans.
A body is moving with velocity 30m/s towards east. After 10 seconds, its velocity becomes 40 m/s towards North. The average accele..
What is the vector projection of the vector (3i + 4k) on y axis?
Two person A & B are in X-Y plane at (0,0) & (0,10). In the below scenario, find the time after which A & B are at closest distanc..
Forces F1 & F2 act on a point mass in 2 mutually perpendicular directions. The resultant force on point mass will be
The particle has displacement of 12 m towards east and 5 m towards north then 6 m vertically upward. The sum of these displacement..
Five equal forces of 10 N each are applied at one point & all are lying in one plane. If the angles between them are equal, the re..
y component of velocity is 20 & x component of velocity is 10. The direction of motion of the body with the horizontal at this ins..
A is a vector with magnitude A, then the unit vector a in the direction of A would be:
Vector A makes equal angles with x,y & z axis. Which would be the value of its components in terms of its magnitude?
Which of the following describes angular momentum?
There are 2 forces, one of 5 N and other of 12 N. At what angle should they be added to get resultant vector of 17N, 7 N & 13 N re..
3 forces acting on a body are shown in figure. To have the resultant force only along y-direction, the magnitude of the minimum ad..
2 forces of 12 N & 8 N act upon a body. The resultant force on body has maximum value of
3 concurrent forces of same magnitude are in equilibrium. What is the angle between the forces? Also name the triangle formed by t..
An object of m kg with speed of v m/s strikes a wall at an angle Â§ and rebounds at the same speed and same angle. The magnitude..
A truck travelling due North at 20m/s turns west & travels at the same speed. What will be the change in its velocity
There are 2 given vectors A & B. Another vector C has same magnitude as B but same direction as A. Which of the following vectors ..
The maximum & minimum magnitude of resultant of 2 given vectors are 17 units & 7 units respectively. If these 2 vectors are at rig..
3 vectors P, Q, R are shown in figure. Let S be any point on vector R. The distance between point P & S is b |R|. Then the general..
What would be the direction of the cosines of given vector A is:
Which of these are true about coordinate axis and vectors
A particle moves so that its position vector is given by r= cos wtx +sin wty. Which of the following is true?
Among the following, the vector quantity is :
Find a vector to add in the following 2 vectors to make the resultant vector into a unit vector.
A hall has the dimensions (10X12X14)m. A fly starting at one corner ends up at a diagonally opposite corner. Which of the followin..
The X & Y components of a force F acting at 30 degrees to x axis are:
If the sum of 2 unit vectors is a unit vector, then the magnitude of its difference is
If a particle moves from point P to point Q, then its displacement vector will be
If the magnitude of sum of 2 vectors equal the magnitude of difference of 2 vectors, then angle between these vectors is
What will be the magnitude & direction of sum of following 2 vectors A & B given below
Which of the following is Surface Area?
The angle made by vector A = i+j with x axis is
Let the angle between 2 non zero vectors A & B be 120 degrees, then the resultant will be C whose value is
Which of the following is true about given vectors?
Let C = A +B, then which of the following is true
If vector P = Q then which of the following is false?
The magnitudes of vector A, B & C are 3, 4 & 5 units. If A+B = C, then angle between A & B is
If vectors i-3j+5k & i-3j-ak are equal vectors, then the value of a is
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