A. 18N
B. 22N
C. 25N
D. 30N
Submitted by: Zahid Jagirani
Related Mcqs:
- The magnitude of the cross product is equal to the dot product between them. The angle between the two vectors is________________?
A. 30°
B. 45°
C. 60°
D. 180° - 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
- 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° - A rubber cord of cross-sectional area 2cm2 has a length of 1m. When a tensile force of 10N is applied the length of the cord increases by 1cm. What is the youngs modulus of rubber ?
A. 2×108 Nm-2
B. 5×106 Nm-2
C. 0.5×10-6 Nm-2
D. 0.2×10-6Nm-2 - Which of the following is reverse process of composition of vectors?
A. Addition of vectors
B. Subtraction of vectors
C. Multiplication of vectors
D. Resolution of vectorsSubmitted 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 - Two vectors are A = 3i^+2j^ -k^& B = 3i^-2j^ +k^ , then_____________?
A. B is anti-parallel to A
B. B is a negative vector of A
C. B has a negative magnitude
D. B is perpendicular to A - If east, west, north, south, up and down are representing the direction of unit vectors, then east x south has the direction along_____________?
A. West
B. North
C. Down
D. Up - 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 - Addition of vectors obeys_______law?
A. Commutative Law
B. Associative Law
C. Distributive Law
D. All of theseSubmitted by: Zahid Jagirani
The correct answer to the question: "Which of the following can not be the resultant of two vectors having magnitude 10N and 15N?" is "30N".
