Question # 1

It base of a right angled triangle is 3 cm and its perpendicular is 3 cm.Then its hypotenuse will be

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2 cm

4 cm

6 cm

5 cm

__________ forces have opposite direction:

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Unlike parallel

Parallel

Like parallel

None of these

Turning effect of a force is called:

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Torque

Moment

Couple

Torque and momentum

The centre of gravity of uniform triangle is:

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Point of intersection of medians

On its vertex

On middle point of its axis

Point of intersection of diagonal

The product of force and momentum arm is called:

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Couple arm

Torque

Rigid body

Axis of rotation

If Fx and Fy are rectangular components of a vector F, then the magnitude of vector F is:

[LHR-04 1st G]

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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

2

3

Tan 𝜽 is equal to:

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Perpendicular/Hypotenuse

Base / Perpendicular

Base/Hyp

Perpendicular/Base

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

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Like parallel

Unlike

Parallel

Nil

Things with _____________ area are more stable>

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Larger

Smaller

All

None of these

The centre of gravity of hollow cylinder is the middle point on its:

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Curved side

axis

Bottom

On upper side

_____________ is centre from which its mass is equally distributed:

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Cebtre of mass

Centre of gravity

All of above

None

Two equal but unlike parallel forces having different lines of action produce:

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a Torque

a couple

Equilibrium

Netural equilibrium

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9th Class Physics Chapter 4 Turning Effect of Forces English Medium KPK Boards Online Mcqs MCQs With Answers

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