Question # 1

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

A force of 200 N is making an angle of 30°. What is horizontal component?

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173.2 N

100 N

600 N

None of these

The number of forces that can be added by head to tail rule are

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2

3

4

Any Number

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

After tilting if body come back to its original position then the body is in:

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Stable equilibrium

unstable equilibrium

Neutral equilibrium

Equilibrium

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

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Force

Weight

Mass

Gravity

A couple consists of how many forces:

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1

2

3

4

Which is not an example of torque?

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Opening a nut

Door opening

Picking up a toy

All of them

_____________ easily undo bolt?

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Long spanner

Medium

Short spanner

Every spanner

Parallel forces are those whose:

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^{Times of action are parallel}

Points of action are different

More than one forces

All of the given option

Tan 𝜽 is equal to:

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Perpendicular/Hypotenuse

Base / Perpendicular

Base/Hyp

Perpendicular/Base

The method used for addition of non-parallel forces is.

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Algebraic

Head to trail rule

Mathematical

Nil

ΣF=0 is __________ condition of equilibrium:

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1st

2nd

Unstable

Stable

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

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