Question # 1

The angle between x-axis, y-axis and z-axis is

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45°

60°

75°

90°

The subtraction of a vector is equivalent to the addition with

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Same direction

Perpendicular direction

Reversed direction

All of these

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

The sum of two or more vectors will be a single vector called

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Component vector

Position vector

-ve vector

Resultant vector

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Parallel vectors of same magnitude will be

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Equal

Opposite

Both a and b

None of these

Vector has both of its components are negative lies in

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1st quadrant

2nd quadrant

3rd quadrant

4th quadrant

The direction of vector in space is specified by

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1- angle

2- angle

3- angle

4 - angle

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

The resultant of two vectors having magnitude 12 N and 8 N can not be

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2 N

20 N

10 N

16 N

Direction of a vector in space requires

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Two axis

Three axis

Four axis

Both a and b

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

A force of 100 N makes an angle of 60o with Y- Axis, its horizontal component is.

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50 N

60 N

70.7 N

86.6 N

The resultant of two forces 30 N and 40 N acting parallel to each other is.

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30 N

40 N

70 N

10 N

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

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5

4

3

2

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

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

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