CH-2 Vectors & Equilibrium Leave a Comment / By abdulslambsn@gmail.com / October 6, 2025 Welcome To Your Quiz "CH-2 Vectors & Equilibrium" Click on "Start Quiz" To Continue... 1. An example of scalar quantity is: Displacement Speed Velocity Torque None 2. A vector is described by magnitude as well as: Angle Distance Direction None None 3. If both components of a vector are negative, then resultant lies in: 1st Quadrant 2nd Quadrant 3rd Quadrant 4th Quadrant None 4. The vector with a zero magnitude and arbitrary direction is: Directional Vector Null Vector Angular Vector Circular Vector None 5. The direction of a vector in a plane is measured with respect to two straight lines which are _______ to each other: Parallel Perpendicular Equal At the Angle of 60° None 6. A single vector having the same effect as all the original vectors taken together, is called: Resultant vector Equal vector Position vector Unit vector None 7. The angle between rectangular components of vector is: 45° 60° 90° 180° None 8. Negative of a vector has direction _______ that of the original vector: Same as Perpendicular Opposite to Inclined to None 9. The direction of vector product is given by: Head to tail rule Right hand rule Left hand rule Triangular rule None 10. Dot product of two non-zero vectors is zero, when angle between them is: 0° 30° 45° 90° None 11. The magnitude of dot and cross product of two vectors are 6√3 and 6 respectively. The angle between them will be: 0° 30° 45° 60° None 12. The minimum number of unequal forces whose resultant will be zero: 1 2 3 4 None 13. Torque is defined as: Turning effect of force Cross product of force and position vector Product of force and moment arm All of above None 14. If a body is at rest, then it will be in: Static equilibrium Dynamic equilibrium Translational equilibrium Unstable equilibrium None 15. For a body to be in complete equilibrium: ∑F=0 and ∑M=0 ∑ F = 0 ∑ t = 0 None None 16. Two vectors to be combined have magnitudes 60 N and 35 N. The correct answer for the magnitude of their resultant will be: 15 N 20 N 70 N 100 N None 17. In two-dimensional coordinate system, the components of the origin are taken as: (1, 1) (1, 0) (0, 1) (0, 0) None 18. The resultant of two or more vectors is obtained by: Joining the tail of the first vector with the head of the last vector Joining the head of the first vector with the tail of the last vector Joining the tail of the last vector with the head of the first vector Joining the head of the last vector with the tail of the first vector None 19. If the line of action of force passes through axis of rotation or the origin, then its torque is: Maximum Unity Zero None of these None 20. The magnitude of a vector can never be: Positive Negative Positive and negative None of these None 21. The position vector of a point p is a vector that represents its position with respect to: Another vector Centre of the earth Any point in space Origin of the coordinate system None 22. The sine of an angle is positive in _______ quadrants: First and Second Second and fourth First and third Third and fourth None 23. If Ax = Ay, then the angle between the vector A with x-axis will be: 0° 30° 45° 9° None 24. The scalar product of two vectors A and B is written as: A x B A . B A B AB None 25. If dot product of two vectors which are not perpendicular to each other is zero, then either of the vectors is: A unit vector Opposite to the other A null vector Position vector None 26. Torque has zero value, if the angle between ̅r and ̅F is: 0° 90° 270° 180° None 27. Momentum is a _______ quantity: Vector Scalar Negative Logical None 1 out of 6 Thanks For Taking This Quiz - Please See Your Answers/Results Below After Entering Your Name & Email... Name Email Time's up