Question # 1

The force exerted perpendicularly on unit of area of an object is called:& nbsp

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strain

young's modulus

pressure

buoyant force

The angle between rectangular components of a vector is

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0°

90°

180°

270°

In reading 27.5 first two digits are accurate while third one is.

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Accurate

Correct

Doubtful

In correct

The vacuum in barometer is called:

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Deep vacuum

Mercury vacuum

Torricellian vacuum

None of above

In houses, good thermal insulation means _____________ consumption of fuel:

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Lower

Higher

Normal

None

When a block a place on the surface its weight produce.

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Tension

Momentum

Inertia

Normal reaction

A boy jumps out of a moving bus. There is danger for him to fall

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Towards the moving bus

In the direction of motion

away from the bus

Opposite to the direction of motion

The formula of pressur is:

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Fx a

A/F

F/A

None of these

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

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Cart

Earth

Horse

Earth and Cart

Value of g on mercury is ___________ ms^-2.

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25.94

3.7

8.87

1.62

Stretched how has type of energy:

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K.E

mgh

P.E

Elastic P.E

The quantities that describe completely by magnitude and direction are.

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Scalar

Vector

Base

Derived

Thermal conductivity of iron is Wm^-1 K^-1

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85

36

89

86

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