Question # 1

The unit of torque is:

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N

Nm

m

m/n

Sin 45^ois

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0.707

0.5

1

0.2

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

Unit of Resultant force is:

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Nm^-2

N.m

Nm^-1

N

Cos 0°=

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0.5

1

0.866

0

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

Clockwise torque is taken:

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Positive

Negative

Neutral

Nil

Centre of gravity of sphere is at:

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Centre of sphere

Outside of sphere

Radius of sphere

None of these

The value of sin θ at an angle of 60o is

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0.5

0

0.707

0.866

A couple is formed by

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Two forces perpendicular to each other

Two like parallel forces

Two equal and opposite forces in the same line

Two equal and opposite forces not in the same line

Base / Hypotenuse is called:

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Sin𝜽

Cos 𝜽

Tan 𝜽

Cot 𝜽

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

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

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