Question # 1

Maximum number of components of a vector may be

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Infinite

One

two

three

The force and torque are analogous to

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Velocity

Mass and weight

Moment of Inertia

Each other

Which is the example of vector quantity

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Torque

Speed

Density

Work

The direction of vector in space is specified by

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1- angle

2- angle

3- angle

4 - angle

Vector has both of its components are negative lies in

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1st quadrant

2nd quadrant

3rd quadrant

4th quadrant

A direction of torque is

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Along the position vector r

Perpendicular to both r and f

Along the direction of force F

Opposite to the direction of r

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

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

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

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

The direction of null vector can be

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(+) ve

(-) ve

Arbitrary

Zero

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

Parallel vectors of same magnitude will be

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Equal

Opposite

Both a and b

None of these

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 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

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

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Unit vector

+ve of a vector

Resultant vector

-ve of a vector

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