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 20 N is acting on a body of mass 8 kg,Its acceleration will be

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2.5 ms-2

4.5 ms-2

5.5 ms-2

3.5 ms-2

Water on cooling below 4 ^oC begins to:

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Expand

Contract

Boils

None of these

The height of geostationary satellites with respect to Earth is

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36,300 km

40,300 km

30,300 km

42,300 km

All ________ conduct heat easily:

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Non metals

Gases

Material

Metals

When horse pulls a cart, the action is on the?

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Cart

Earth

Horse

Earth and Cart

Convection of heat is the process of heat transfer due to the

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Random motion of molecules

Downward movement of molecules

Upward movement of molecules

Free movement of molecules

The forces that are parallel to each other and have the same direction are called:

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Like parallel forces

Unlike parallel forces

Resultant forces

Net forces

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

The turning effect of force is called:

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Torque

Parallel force

Equilibrium

Couple

Which parameter remain same every where?

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Force

Mass

Weight

Velocity

Distance covered by freely falling downward body in first second.

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5 m

29.4 m

10 m

19.6 m

There are types of thermometer:

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1

2

3

4

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