A. 30°
B. 45°
C. 60°
D. 180°
Related Mcqs:
- The resultant of two forces of equal magnitudes is also equal to the magnitude of the forces. The angle between the two forces is________________?
A. 30°
B. 60°
C. 90°
D. 120° - The cross product of two vectors is a negative vector when______________?
A. They are parallel vectors
B. They are anti parallel vectors
C. They are a perpendicular vector
D. They are rotated through 270° - An angle between two vectors A and B can be determined by_____________?
A. Their dot product
B. Their cross product
C. Head to tail rule
D. Right-hand rule - Which of the following can not be the resultant of two vectors having magnitude 10N and 15N?
A. 18N
B. 22N
C. 25N
D. 30NSubmitted by: Zahid Jagirani
- What is the minimum number of unequal magnitude vectors required to get a null vector?
A. Zero
B. Two
C. Three
D. NoneSubmitted by: Zahid Jagirani
- 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 - The dot product of force and velocity is__________________?
A. power
B. work
C. impulse
D. torque - The power is the dot product of ___________ quantities.
A. Force and time
B. Force and velocity
C. Force and speed
D. None of theseSubmitted by: Muhammad Hassan
- The cross product i^ x j^ is equal to_______________?
A. Zero
B. One
C. i^
D. k^ - The magnitude of i^. (j^ x k^) is________________?
A. 0
B. 1
C. -1
D. i^