Question # 1

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

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

Vectors have

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Numerical value

Directional

Both a and b

None of these

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 vectors having magnitude 10 N and 8 N Can not be

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2 N

9 N

18 N

20 N

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

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

The direction of vector in space is specified by

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1- angle

2- angle

3- angle

4 - angle

Name the quantity which is a vector.

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Speed

Force

Temperature

Density

Parallel vectors of same magnitude will be

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Equal

Opposite

Both a and b

None of these

The direction of null vector can be

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(+) ve

(-) ve

Arbitrary

Zero

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