Question # 1

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 magnitude of A will be

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Zero

A²

1

A

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

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

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Remains constant

Reversed

Change by 90°

None of these

Usually the x-axis is taken as

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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.

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50 N

0 N

25 N

10 N

The force and torque are analogous to

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Velocity

Mass and weight

Moment of Inertia

Each other

What would encourage trade between two countries

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Different tax system

Frontier checks

National currencies

reduced tariffs

Vector has both of its components are negative lies in

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1st quadrant

2nd quadrant

3rd quadrant

4th quadrant

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

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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Unit vector

+ve of a vector

Resultant vector

-ve of a vector

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

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45°

60°

75°

90°

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

Name the quantity which is a vector.

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Speed

Force

Temperature

Density

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