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NCAT - Practice Test - Physics - Vector and Equilibrium Quiz

Attempt 10 MCQs on NCAT - Practice Test - Physics - Vector and Equilibrium | Quiz 9

81. A couple consists of two parallel forces of 20 N each separated by 0.4 m. What is the moment of the couple?



82. How many rectangular components does a vector have in a plane?



83. If the magnitude of cross product of two vectors equals their dot product, find the angle between them.



84. What is the direction of i × j?



85. A weight of 50 N is supported by two strings making angles 50° and 60° with vertical. Find tension in the string at 50° to vertical.



86. What is the magnitude of i × j?



87. Find |A × B| for A = 2i - j and B = i + 2j.



88. When is the dot product of two non-zero vectors zero?



89. The rectangular components of a vector are 8 and 6. Find the vector (magnitude and direction).



90. The vector product of two vectors is a:



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