Question # 1

The angle between rectangular components of a vector is

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0°

90°

180°

270°

The force with which Earth attracts the object towards its center is known as

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Force

Weight

Mass

Gravity

If base of a right angle triangle is 3 cm and perpendicular is 4 cm. What is length of perpndicular?

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3 cm

2 cm

5 cm

10 cm

Unit of Resultant force is:

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Nm^-2

N.m

Nm^-1

N

Perpendicular / hypotenuse is equal to:

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Cosθ

Tanθ

Cosecθ

Sinθ

F_x= 4 N and F_y=3N what is F?

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5N

1.5 N

16 N

9 N

If Fy = 4 N and Fx = 3 N , what is the magnitude of resolution of force.

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5 N

7 N

10 N

15N

Turning effect of a force is called:

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Torque

Moment

Couple

Torque and momentum

A line about which a body rotates is called;

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Axis of rotation

Rigid Body

Center of gracity

None of these

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

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a Torque

a couple

Equilibrium

Netural equilibrium

Cos 0^ois

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0

2

1

0.5

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

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Length

Force

Mass

Time

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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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