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MDCAT - Practice Test - Physics - Vector and Equilibrium Quiz

Attempt 10 MCQs on MDCAT - Practice Test - Physics - Vector and Equilibrium | Quiz 3

21. A force of 20 N is applied at the end of a wrench of length 0.5 m, perpendicular to the wrench. What is the torque?



22. What is the value of i·j?



23. What is the vector product i × j?



24. Which condition is required for rotational equilibrium?



25. A weight of 100 N is suspended by two strings making angles 30° and 60° with vertical. Find tension in the string at 60° to vertical.



26. Two vectors of equal magnitude A have an angle of 120° between them. What is the magnitude of their resultant?



27. If vectors A = 2a i + 3a j and B = 8i -15j are parallel, what is the value of a?



28. At what angle between two vectors is the magnitude of their cross product maximum?



29. If a vector makes an angle of 0° with the x-axis, its horizontal component is:



30. What is another name for scalar product?



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