Question # 1

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

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5

4

3

2

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

Head to tail rule is used for

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Addition of vectors

Subtraction of vectors

Multiplication of vectors

Division of vectors

The force and torque are analogous to

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Velocity

Mass and weight

Moment of Inertia

Each other

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

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Zero

30^o

90^o

180^o

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 direction of vector in space is specified by

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1- angle

2- angle

3- angle

4 - angle

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

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Remains constant

Reversed

Change by 90°

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 12 N and 8 N can not be

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2 N

20 N

10 N

16 N

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Physics English Medium Fsc Part 1 Chapter 2 Online MCQs Test MCQs With Answers

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