Chapter 5 Vectors - Test 3

1. The negative vector is a vector whose magnitude is equal to another vector but is

1) Half
2) Opposite
3) Same
4) Prependicular
2. The ratio between pperpendicular and base is called

1) Tan
2) Cot
3) Sin
4) Cos
3. Which of the following is a scalar quanity

1) Weight
2) Velocity
3) Mass
4) Displacement
4. When rocket takes of the motion of the rocket and the burning gases are in the

1) East direction
2) Opposite direction
3) Perpendicular
4) West direction
5. A man walks 4m from point A towards east and then 3m towards north what is his displacement from the point A?

1) 6m
2) 7m
3) 5m
4) 10m
6. If a vector A is multiplied by 3, then the resultant vector will have magnitude

1) None of the above
2) Thrice
3) Four times
4) Twice
7. To represent a vector a straight line is drawn with an arrow head at _________

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8. A vector whose magnitude is equal to another vector but in the opposite direction is called a _____

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9. When two equal and ____ vectors are added their resultant vector has zero magnitude

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10. The direction of the resultant vector is from the tail of the first vector towards the head of the _____

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11. If a vector is multiplied by a positive number the magnitude of the vector changes whereas its _______ remains the same

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12. If the vector is multiplied by a negative number then the ____ of the vector will change along with the direction

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13. Trigonometry is that branch of mathematic which deals with the properties of a ____ angled triangle

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14. A 15N force is acting on a body along X axis its vertical component will be ____

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