Question # 1

Two forces of 2N and 4N are acting in opposite directions, Their resultant force will be

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2 N

4 N

6 N

8 N

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

To find x component of force 'F' we use formul:

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F Sin 𝜽

F Cos 𝜽

F tan 𝜽

F/F1

States of equilibrium are:

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2

3

4

5

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

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Curved side

axis

Bottom

On upper side

The right angle triangle length of bas is 4 cm and its hypotenuse is 5 cm, then length of perpendicular is:

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1 cm

3 cm

9 cm

20 cm

A force of 10 N is making an angle of 30o with the horizontal. Its horizontal component will be

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4N

5N

7N

8.7N

When center of gravity is at the highest position body will be in:

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Neutral equilibrium

Stable equilibrium

Unstable equilibrium

None of these

The unit of torque is:

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Nm^-2

Ncm

Nm^-1

Nm

Turning effect of a force is called:

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Torque

Moment

Couple

Torque and momentum

When equal opposite forces are added then the resultant force is ______________

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Double

Triple

Zero

None of these

The resultant vector of given vectors A and B is

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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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