Question # 1

Which is the example of vector quantity

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Torque

Speed

Density

Work

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

Vector has both of its components are negative lies in

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1st quadrant

2nd quadrant

3rd quadrant

4th quadrant

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

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 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

If r = 5 m and f = 4 N are along same direction, them torque is

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20 Nm

5 Nm

10 Nm

Zero

The magnitude of A will be

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Zero

A²

1

A

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

What would encourage trade between two countries

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Different tax system

Frontier checks

National currencies

reduced tariffs

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

The force and torque are analogous to

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Velocity

Mass and weight

Moment of Inertia

Each other

Name the quantity which is a vector.

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Speed

Force

Temperature

Density

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

A vector is denoted by

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Light face

Bold face

Both a and b

None of these

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Unit vector

+ve of a vector

Resultant vector

-ve of a vector

Parallel vectors of same magnitude will be

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Equal

Opposite

Both a and b

None 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

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

Dot product of vector with itself is.

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Zero

2 A

A²

A

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

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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