A. 30°
B. 60°
C. 90°
D. 120°
What is the angle that the given vector makes with y-axis and A=2i+3j ? Read More »
Physics Mcqs, Vectors And Equilibrium A. Can produce torque
B. Cannot produce torque
C. Some time can produce torque some time cannot
D. Has no relation with torque
A central force is that which__________________? Read More »
Physics Mcqs, Vectors And Equilibrium A. A. B = Ax Bx + Ay By + Az Bz
B. A. B = Ax By + Ay Bz + Az By
C. A. B = Ay Bz + Az By + Az Bx
D. A. B = Ax Bz + Ay By + Az Bx
If A=Ax i^ + Ay j^ + Az K^ B = Bx i^ + By j^ + Bz K^ then______________? Read More »
Physics Mcqs, Vectors And Equilibrium A. 0
B. 1
C. -1
D. i^
The magnitude of i^. (j^ x k^) is________________? Read More »
Physics Mcqs, Vectors And Equilibrium A. First
B. Second
C. Third
D. Both 1st and 3rd
In which quadrant, the only value of tan will be positive ? Read More »
Physics Mcqs, Vectors And Equilibrium A. They are parallel vectors
B. They are anti parallel vectors
C. They are a perpendicular vector
D. They are rotated through 270°
The cross product of two vectors is a negative vector when______________? Read More »
Physics Mcqs, Vectors And Equilibrium A. 2i^ – 2j^ + k^
B. (2i^ – 2j^ +k^)/9
C. (2i^ – 2j^ +k^)/3
D. (2i^ – 2j^ +k^)/5
The unit vector in the direction of vector A = 2 i^ -2j^ + k^ is_______________? Read More »
Physics Mcqs, Vectors And Equilibrium A. Zero
B. One
C. i^
D. k^
The cross product i^ x j^ is equal to_______________? Read More »
Physics Mcqs, Vectors And Equilibrium A. Accelerating force increases on the wheel
B. Two forces act on the wheel
C. Two hands provide a firm grip
D. The couple acts on the wheel
A. Torque and energy
B. Momentum and impulse
C. Energy and work
D. Mass and moment of inertia
Which of the following pairs does not have identical dimensions ? Read More »
Physics Mcqs, Vectors And Equilibrium