Question # 1

If force is capable of rotation a body in clockwise direction it is :`

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Clockwise

Anticlockwise

It has no direction

Nil

If f = 40 N is applied and bus is move 1m than work is :

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40 J

60 J

80 J

No work

If the force of 25 N is acting along the string to balance the weight then tension in string is

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25 N

50 N

Zero

None

If the object is at rest to T .............. W.

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=

=/

<

>

The value of 'g' is maximum

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At mountains

At plains

At the surface of earth

At sea level

At the surface of the earth value of 'g' is measured by using formula:

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g=GMe/R

g = GMe/R²

g = 2GMe/R²

g = GMe/2 R

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

The unit of acceleration is.

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ms-1

ms

ms^-2

ms²

During the hot summer day the vlaue of atomospheric pressure is:

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Increase

Decreases

Constant

None of these

Land breeze blows from:

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Sea to land drawing night

Sea to land during day

Land to sea during night

Land to sea during day

Atmospheric pressure acts in:

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upward direction

Down ward direction

Opposite of force

All direction

The freezing point of Mercury is:

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49 ^oC

-49^oC

39^oC

-39^oC

The mass of Earth is

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6 x 1018 kg

6 x 1020 kg

6 x 1022 kg

6 x 1024 kg

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