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Displacement comes in the category of "Intrinsic vectors", which are also known as-

Pseudovector

Pseudoscalar

Polar vector

None of these

Scalar Product is also known as-

Pseudoscalar

Pseudovector

Cross Product

None of these

"A vector quantity must possess a direction."A physical quantity has a direction. It:

Must be a vector

Must be a scalar

May be a scalar

May be a vector

Suppose the given vectors are in the plane of paper, then the direction ofX:

On the plane of paper

Inside the plane of paper

Outside the plane of paper

None of these

Minimum number of coplanar vectors which represent same physical quantity having different magnitudes can be added to give null vector as a resultant are:

2

3

4

5

Following sets of three forces act on a body. Whose resultant cannot be zero?

10,10,10

10,20,40

10,10,20

10,20,20

Any vector in an arbitrary direction can always be replaced by 2 or 3:

Parallel vectors that have original vector as their resultant

Mutually perpendicular vectors which have original vector as their resultant

Arbitrary vectors that have original vector as their resultant

None of these

12 coplanar non collinear forces all of eual magnitudes maintain a body in equillibrium, then the angle between any two adjacent forces (in degrees) is:

15

30

45

60

I started walking down a road in morning facing the sun. After walking for sometime, i turned to my left, then i turned to right once again. In which direction, was i going then-

East

North-west

North-east

South

Three concurrent forces of the same magnitude are in equillibrium. What is the angle between the force (in degrees)? Also name the triangle formed by the force as sides-

60, equilateral triangle

120, equilateral triangle

120, 30, 30 isosceles triangle

120, 20, 40 Scalene triangle

Let, be any vector then another vector which is normal to the given vector is:

Bcos?+Bsin?

Bsin?+Bcos?

Bsin?-Bcos?

Acos?-Asin?

The resultant of two vectors and is. If is doubled then the resultant vector hence obtained is perpendicular to . The magnitude of is:

(P2-Q2)?2PQ

Q

P/Q

(P+Q)/(P-Q)

Figure shows three vectors ,and , where R is the midpoint of PQ. Then identify the correct relation:

+=2

+=

-=2

-=

A displacement vector, at an angle of 30? with y-axis has an x-component of 10 units. Then the magnitude of the vector is-

5

10

11.5

20

There are two force vectors, one of 5N and other of 12N at what angle the two vectors be added to get resultant vector of 17N, 7N and 13N respectively (in degrees):

0, 180, 90

0,90,180

0,90,90

180,0,90

If and are two unit vectors, having ? as angle b/w them, then sin(?/2) is:

(1/2) |+|

(1/2) |-|

(.)/2

None of the above

Angle between the vectors is:

Obtuse

Acute

90?

depends on x

Which of the following expressions are meaningful?

Which of the following is a vector quantity?

Force

Acceleration

Elastic stress

Moment of Inertia

The magnitude of scalar product of two vwctors is 8, and of vector product is 8?3. The angle between them is:

30?

60?

120?

150?

Pseudovector

Pseudoscalar

Polar vector

None of these

Scalar Product is also known as-

Pseudoscalar

Pseudovector

Cross Product

None of these

"A vector quantity must possess a direction."A physical quantity has a direction. It:

Must be a vector

Must be a scalar

May be a scalar

May be a vector

Suppose the given vectors are in the plane of paper, then the direction ofX:

On the plane of paper

Inside the plane of paper

Outside the plane of paper

None of these

Minimum number of coplanar vectors which represent same physical quantity having different magnitudes can be added to give null vector as a resultant are:

2

3

4

5

Following sets of three forces act on a body. Whose resultant cannot be zero?

10,10,10

10,20,40

10,10,20

10,20,20

Any vector in an arbitrary direction can always be replaced by 2 or 3:

Parallel vectors that have original vector as their resultant

Mutually perpendicular vectors which have original vector as their resultant

Arbitrary vectors that have original vector as their resultant

None of these

12 coplanar non collinear forces all of eual magnitudes maintain a body in equillibrium, then the angle between any two adjacent forces (in degrees) is:

15

30

45

60

I started walking down a road in morning facing the sun. After walking for sometime, i turned to my left, then i turned to right once again. In which direction, was i going then-

East

North-west

North-east

South

Three concurrent forces of the same magnitude are in equillibrium. What is the angle between the force (in degrees)? Also name the triangle formed by the force as sides-

60, equilateral triangle

120, equilateral triangle

120, 30, 30 isosceles triangle

120, 20, 40 Scalene triangle

Let, be any vector then another vector which is normal to the given vector is:

Bcos?+Bsin?

Bsin?+Bcos?

Bsin?-Bcos?

Acos?-Asin?

The resultant of two vectors and is. If is doubled then the resultant vector hence obtained is perpendicular to . The magnitude of is:

(P2-Q2)?2PQ

Q

P/Q

(P+Q)/(P-Q)

Figure shows three vectors ,and , where R is the midpoint of PQ. Then identify the correct relation:

+=2

+=

-=2

-=

A displacement vector, at an angle of 30? with y-axis has an x-component of 10 units. Then the magnitude of the vector is-

5

10

11.5

20

There are two force vectors, one of 5N and other of 12N at what angle the two vectors be added to get resultant vector of 17N, 7N and 13N respectively (in degrees):

0, 180, 90

0,90,180

0,90,90

180,0,90

If and are two unit vectors, having ? as angle b/w them, then sin(?/2) is:

(1/2) |+|

(1/2) |-|

(.)/2

None of the above

Angle between the vectors is:

Obtuse

Acute

90?

depends on x

Which of the following expressions are meaningful?

Which of the following is a vector quantity?

Force

Acceleration

Elastic stress

Moment of Inertia

The magnitude of scalar product of two vwctors is 8, and of vector product is 8?3. The angle between them is:

30?

60?

120?

150?

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