A. ??3 i^ + ??3 j^ + ??3 k^
B. 1/??3 i^ + 1/??3 j^ +1/ ??3 k^
C. ??3 / 3 i^ + ??3 / 3 j^ + ??3 / 3 k^
D. Both B and C are correct
Correct Answer: Both B and C are correct ✔
Last Updated: January 20, 2021
Related MCQs
- Which one is not a type of dynamic equilibrium ?
- A body will be in complete equilibrium when it is satisfying__________?
- A body in equilibrium__________?
- Torque acting on a body determines__________?
- SI unit of torque is__________?
- The dimension of torque is__________?
- Torque is defined as__________?
- The magnitude of the cross product is equal to the dot product between them. The angle between the two vectors is__________?
- An angle between two vectors A and B can be determined by__________?
- Null vector is a vector which has__________?
- If east, west, north, south, up and down are representing the direction of unit vectors, then east x south has the direction along__________?
- The direction of the vector product is given by__________?
- I ^. (j^ x k^) is equal to__________?
- If A=B, which of the following is not correct ?
- Two vectors are A = 3i^+2j^ -k^& B = 3i^-2j^ +k^ , then__________?
- Two vectors A and B are making angle θ with each other. The scalar projection of vector B on vector A is written as__________?
- In which quadrant the two rectangular components of a vector have same sign ?
- What is the angle that the given vector makes with y-axis and A=2i+3j ?
- A central force is that which__________?
- If A=Ax i^ + Ay j^ + Az K^ B = Bx i^ + By j^ + Bz K^ then__________?
- The magnitude of i^. (j^ x k^) is__________?
- In which quadrant, the only value of tan will be positive ?
- The cross product of two vectors is a negative vector when__________?
- The unit vector in the direction of vector A = 2 i^ -2j^ + k^ is__________?
- The cross product i^ x j^ is equal to__________?
- It is easier to turn a steering wheel with both hands than with a single hand because__________?
- Which of the following pairs does not have identical dimensions ?
- Three coplanar forces acting on a body keep it in equilibrium. They should therefore be__________?
- The resultant of two forces of equal magnitudes is also equal to the magnitude of the forces. The angle between the two forces is__________?
- Which one is not correct for a vector A= 2i+2j+3k ?
- Maximum number of components of a vector may be__________?
- Cosθi^ + Sinθj^ is a__________?
- Maximum number of rectangular components are__________?
- The rectangular coordinate system is also called__________?
- Unit vector n^ is along__________?
- A vector can be multiplied by a number. The number may be__________?
- The direction of a vector in space is specified by__________?
- Addition of vector obeys__________?