Question # 1

Direction of a vector in space requires

Choose an answer

Two axis

Three axis

Four axis

Both a and b

Vectors have

Choose an answer

Numerical value

Directional

Both a and b

None of these

The resultant of two forces 3N and 4 N acting at right angle to each other is.

Choose an answer

5 N

6 N

1 N

7 N

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

Choose an answer

Component vector

Position vector

-ve vector

Resultant vector

Maximum number of components of a vector may be

Choose an answer

Infinite

One

two

three

Usually the x-axis is taken as

Choose an answer

Vertical axis

Horizontal axis

+ve axis

-ve axis

When a fore of 100 N is acting on an object along x-axis then its vertical component will be.

Choose an answer

50 N

0 N

25 N

10 N

A force of 100 N makes on angle of 60^owith y axis, its horizontal component is.

Choose an answer

50 N

60 N

70.7 N

86.6 N

The dot product of two vectors A and B will be zero, if angle between A and B is

Choose an answer

Zero

30^o

90^o

180^o

A force of 10N makes an angle 30o with y axis. Then magnitude of x -component is.

Choose an answer

5 N

8.66 N

10 N

Zero

Choose an answer

Unit vector

+ve of a vector

Resultant vector

-ve of a vector

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

Choose an answer

Remains constant

Reversed

Change by 90°

None of these

Dot product of vector with itself is.

Choose an answer

Zero

2 A

A²

A

What would encourage trade between two countries

Choose an answer

Different tax system

Frontier checks

National currencies

reduced tariffs

The components of a vector which are perpendicular to each other are called

Choose an answer

Horizontal components

Vertical components

Rectangular components

All of these

A direction of torque is

Choose an answer

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 30 N and 40 N acting parallel to each other is.

Choose an answer

30 N

40 N

70 N

10 N

Parallel vectors of same magnitude will be

Choose an answer

Equal

Opposite

Both a and b

None of these

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

Choose an answer

5

4

3

2

The resultant of two forces 3 N and 4 N acting at right angle to each other is

Choose an answer

7 N

5 N

4 N

1 N

Vector has both of its components are negative lies in

Choose an answer

1st quadrant

2nd quadrant

3rd quadrant

4th quadrant

Which is the example of vector quantity

Choose an answer

Torque

Speed

Density

Work

If a vector of magnitude 10 N along y-axis then its component along x-axis is

Choose an answer

0 N

5 N

8.66 N

10 N

The resultant of two vectors having magnitude 10 N and 8 N Can not be

Choose an answer

2 N

9 N

18 N

20 N

More Classes

Other Links

Physics Fsc Part 1 Chapter 1 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer