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Vector and Equilibrium /
2026 /
Quiz 12

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NCAT Practice Test - Practice Test - Physics - Vector and Equilibrium - 2026 Quiz

Attempt 10 MCQs on NCAT Practice Test - Practice Test - Physics - Vector and Equilibrium (Year 2026) | Quiz 12

111. Two unit vectors have an angle of 45° between them. What is the magnitude of their cross product?

1
0
0.707
1.414

112. Which method can be used to add vectors?

Parallelogram law only
Triangle law only
Polygon law only
All of these

113. If vectors A=2i+3j and B=4i+aj are perpendicular, find a.

-2.67
2.67
0
1.5

114. The magnitude of cross product of two vectors is maximum at an angle of:

0°
90°
45°
180°

115. A force F = 2i+3j N causes a displacement d = 4i-2j m. Calculate work done.

8 J
6 J
2 J
4 J

116. Which product is used to find the angle between two vectors?

Cross product
Dot product
Vector sum
Dot product

117. The resultant of two equal forces acting at 60° is 10√3 N. Find each force.

10 N
20 N
5 N
15 N

118. What is the cross product of two parallel vectors?

Maximum
Zero
Minimum
Half

119. A force F = 5i N acts at point (3,4) m. Find torque about origin.

20 Nm out of page
15 Nm into page
20 Nm into page
25 Nm out of page

120. What is another name for scalar product?

Cross product
Vector product
Outer product
Dot product

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