Three coplanar forces acting on a body keep it in equilibrium. They should therefore be_______________?
A. Concurrent
B. Non-concurrent
C. Parallel
D. Non-parallel
Physics 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________________?
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°
Which one is not correct for a vector A= 2i+2j+3k ?
Which one is not correct for a vector A= 2i+2j+3k ?
A. Has direction 45° with an x-axis
B. Has magnitude 2
C. Has magnitude 2 and direction °=45° with a y-axis
D. Has magnitude -2
Maximum number of components of a vector may be________________?
Maximum number of components of a vector may be________________?
A. 1
B. 2
C. 3
D. Infinite
Cosθi^ + Sinθj^ is a_________________?
Cosθi^ + Sinθj^ is a_________________?
A. Vector
B. Position Vector
C. Vector in the direction at angle θ with an x-axis
D. The unit vector in the direction at angle θ with an x-axis
Maximum number of rectangular components are_____________?
Maximum number of rectangular components are_____________?
A. 1
B. 2
C. 3
D. 4
The rectangular coordinate system is also called______________?
The rectangular coordinate system is also called______________?
A. Polar coordinate system
B. Cartesian coordinate system
C. Cylindrical coordinate system
D. Spherical coordinate system
Unit vector n^ is along______________?
Unit vector n^ is along______________?
A. X-axis
B. Normal on a surface
C. Y-axis
D. Z-axis
A vector can be multiplied by a number. The number may be_______________?
A vector can be multiplied by a number. The number may be_______________?
A. Dimensionless
B. Dimensional scalar
C. Negative
D. All A, B and C are correct
The direction of a vector in space is specified by_______________?
The direction of a vector in space is specified by_______________?
A. One angle
B. Two angle
C. Three angle
D. No angle