Chapter 5 Vectors - Test 4

1. The vectors may be added or subtracted by using the head to tail rule.

1) True
2) False
2. The decomposition of a vector into its components is called resolution of a vector.

1) False
2) True
3. Sin 450 = cos 450

1) False
2) True
4. Rectangular components are perpendicular to each other.

1) False
2) True
5. The head of the line with arrow representing the vector quantity is called tail.

1) False
2) True
6. The value of the angle ? can be determined by using trigonometric table.

1) False
2) True
7. All Physical quantities may be classified into

1) Scalar and vectors
2) all the above
3) Scalars
4) Vectors
8. A quantity requiring magnitude and direction to complete its meaning is known as

1) Volume
2) Density
3) Vector quantity
4) Speed
9. The value of sin 900

1) 0.5
2) 0.866
3) 0.707
4) 1.0
10. The rectangular components are taken in the directions of

1) Z-axis
2) X-axis
3) Y-axis
4) X and Y-axis
11. Fy is equal to

1) Ftan
2) Fsin
3) Fcos
4) Fcot
12. A vector quantity is denoted by

1) Straight and parallel line
2) A straight line with an arrow head at one end
3) Straight line
4) Parallel line
13. Two or more vectors are added graphically by

1) Left hand rule
2) Left and hand rule
3) Right hand rule
4) Head to tail rule
14. Which of the following is a vector quantity

1) Length
2) speed
3) Time
4) Displacement
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