Question # 1

Parallel vectors of same magnitude will be

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Equal

Opposite

Both a and b

None of these

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 two non zero vectors is zero it angle between them is.

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30^o

60^o

45^o

90^o

The force and torque are analogous to

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Velocity

Mass and weight

Moment of Inertia

Each other

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

What would encourage trade between two countries

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Different tax system

Frontier checks

National currencies

reduced tariffs

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

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

Vectors have

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Numerical value

Directional

Both a and b

None of these

Force 12 N and 5 N are add, the resultant con not be

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13 N

6 N

7 N

17 N

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

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

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Remains constant

Reversed

Change by 90°

None of these

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

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

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5

4

3

2

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

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

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

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