Null vector is a vector which has________________?
Null vector is a vector which has________________? A. Zero magnitude B. No specified directionC. Both A and B are correct D. Both A and B are not correct
Null vector is a vector which has________________? A. Zero magnitude B. No specified directionC. Both A and B are correct D. Both A and B are not correct
If east, west, north, south, up and down are representing the direction of unit vectors, then east x south has the direction along_____________? A. West B. NorthC. Down D. Up
The direction of the vector product is given by______________? A. Head to tail ruleB. Right-hand rule C. Left-hand rule D. Triangular rule
I ^. (j^ x k^) is equal to______________? A. 1 B. i^ C. j^ D. k^
If A=B, which of the following is not correct ? A. A.B = A^ B^ B. |A| = |B| C. |A^| = |B^| D. AB^ = BA^
Two vectors are A = 3i^+2j^ -k^& B = 3i^-2j^ +k^ , then_____________? A. B is anti-parallel to AB. B is a negative vector of A C. B has a negative magnitude D. B is perpendicular to A
Two vectors A and B are making angle θ with each other. The scalar projection of vector B on vector A is written as____________? A. A.B/A B. A.B/B C. A.cosθ D. Both a and b are correct
In which quadrant the two rectangular components of a vector have same sign ? A. 1st B. 2ndC. Both 1st and 3rd D. 4th
What is the angle that the given vector makes with y-axis and A=2i+3j ? A. 30°B. 60° C. 90° D. 120°
A central force is that which__________________? A. Can produce torqueB. Cannot produce torque C. Some time can produce torque some time cannot D. Has no relation with torque