Question # 1

Head to tail rule is used for

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Addition of vectors

Subtraction of vectors

Multiplication of vectors

Division of vectors

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

Maximum number of components of a vector may be

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Infinite

One

two

three

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

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Unit vector

+ve of a vector

Resultant vector

-ve of a vector

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

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45°

60°

75°

90°

Which is the example of vector quantity

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Torque

Speed

Density

Work

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

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

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

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5

4

3

2

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

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