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Physics 9th Class English Medium Unit 4 Online Test MCQs With Answers

Question # 1

PQ & RS are 2 parallel forces moving in same direction than they are called ............... forces.

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Like parallel

Unlike

Parallel

Nil

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Question # 2

If base of a right angle triangle is 3 cm and perpendicular is 2 cm. What is tanθ

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0.7

1.5

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Question # 3

Consider a rigid body. As it rotates, its particles move in fixed

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Squares

Circles

Triangles

Rectnagles

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Question # 4

Things with _____________ area are more stable>

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Larger

Smaller

All

None of these

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Question # 5

If Fx and Fy are rectangular components of vector F, then its direction is determined by the relation

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θ = sin-1 Fv/Fx

θ = tan-1 Fx/Fy

θ = tan Fx/Fy

θ = tan Fy/Fx

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Question # 6

.............. is example of vector.

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Length

Force

Mass

Time

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Question # 7

It is useful to know the location of center of gravity of a body in problem dealing with

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Motion

Equilibrium

Charge

Velocity

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Question # 8

A body is said to be in __________ equilibrium if after a slight tilt return to its previous position:

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Stable

Unstable

Neutral

None

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Question # 9

A body is in equilibrium when its

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Acceleration is uniform

Speed is uniform

Speed and acceleration are uniform

Acceleration is zero

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Question # 10

The unit of torque is:

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Nm^-2

Ncm

Nm^-1

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Question # 11

The centre of gravity of irregular shaped body can be found with the help of:

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Wedge

Meter rod

Plumb line

Screw gauge

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Question # 12

The resultant vector of given vectors A and B is

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Question # 13

Which is not an example of torque?

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Opening a nut

Door opening

Picking up a toy

All of them

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