Question # 1

Parallel vectors of same magnitude will be

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Equal

Opposite

Both a and b

None of these

What would encourage trade between two countries

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Different tax system

Frontier checks

National currencies

reduced tariffs

Head to tail rule is used for

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Addition of vectors

Subtraction of vectors

Multiplication of vectors

Division of vectors

When a vector is multiplied by a (-)ve number its direction

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Remains constant

Reversed

Change by 90°

None of these

Two vector can be added by simple arithmetical method when they are at an angle of.

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120^o

90^o

0^o

45^o

The direction of vector in space is specified by

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1- angle

2- angle

3- angle

4 - angle

Which is the example of vector quantity

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Torque

Speed

Density

Work

When a fore of 100 N is acting on an object along x-axis then its vertical component will be.

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50 N

0 N

25 N

10 N

Name the quantity which is a vector.

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Speed

Force

Temperature

Density

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A force of 10N makes an angle 30o with y axis. Then magnitude of x -component is.

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5 N

8.66 N

10 N

Zero

If a vector of magnitude 10 N along y-axis then its component along x-axis is

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0 N

5 N

8.66 N

10 N

A force of 100 N makes on angle of 60^owith y axis, its horizontal component is.

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50 N

60 N

70.7 N

86.6 N

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Unit vector

+ve of a vector

Resultant vector

-ve of a vector

Minimum number of unequal forces whose vector sum can be zero are.

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5

4

3

2

The resultant of two forces 3N and 4 N acting at right angle to each other is.

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5 N

6 N

1 N

7 N

Vector has both of its components are negative lies in

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1st quadrant

2nd quadrant

3rd quadrant

4th quadrant

The resultant of two forces 3 N and 4 N acting at right angle to each other is

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7 N

5 N

4 N

1 N

Vectors have

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Numerical value

Directional

Both a and b

None of these

The direction of null vector can be

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(+) ve

(-) ve

Arbitrary

Zero

The components of a vector which are perpendicular to each other are called

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Horizontal components

Vertical components

Rectangular components

All of these

Dot product of two non zero vectors is zero it angle between them is.

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30^o

60^o

45^o

90^o

Dot product of vector with itself is.

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Zero

2 A

A²

A

The resultant of two vectors having magnitude 10 N and 8 N Can not be

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2 N

9 N

18 N

20 N

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