## Physics XI Karachi Board [vectors] MCQS Online Test - 1

Physics Aptitude Test.**21**Questions from Chapter 02 Vectors.

**Q7.**A force F = 2i+3j units, has its point of application moved from the point (1,3) to the point (5,7). Work done is

**Q11.**Two forces each of magnitude F act perpendicular to each other the angle made by the resultant force with the horizontal will be

**Q14.**If the resultant of two vectors each of magnitudes F, is also of magnitude F, the angle between them will be

**Q15.**A force vector F of magnitude 30N, making an angle of 60° with x-axis its x component will be

**Q16.**The resultant of two forces of 3N and 4N making and angle 90 with each other is

**Q17.**Two force act together on an object. The magnitude of their resultant is minimum when the angle between the forces is

**Q18.**If the resultant of two vectors each of magnitudes F, is twice of magnitude F, the angle between them will be

**Q20.**If two force each of magnitude 5N act along the same line on a body, then the magnitude of their resultant will be

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