Question # 1

The net torque acting on a rotating body with uniform speed is:

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0

1

2

5

According to Archimedes principle upthrust is equal to

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weight of displaced liquid

volume of displaced liquid

mass of displaced liquid

are of displaced liquid

Mass of earth is approximately _________

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3.7 x 10²⁴ kg

25.94 kg

6.0 x 10²²kg

6 x 10²⁴kg

Convention is done by ____________

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Vibration of atoms

Actual movement of particles

Same as conduction

Nil

The force which opposes the motion is called.

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Momentum

Friction

Inertia

Tension

The formula to determine the centripetal force is:

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Ms

mv²/r

Ns

Ns^-1

In falling object potential energy is covered to:

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K.E

Force

P.E

Nil

Which one of the following units is not a derived unit?

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Pascal

Kilogram

Newton

Watt

The tendency of doing work is called :

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Time

Energy

Force

Area

When a body is lifted through a height h, the work donw on it appears in the form of its.

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Kinetic energy

Potential energy

Elastic energy

Geothermal energy

An instrument is used for measuring temperature is called:

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Barometer

Thermometer

Voltmeter

None of above

_____________ easily undo bolt?

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Long spanner

Medium

Short spanner

Every spanner

The value of g at a height one Earth's radius above the surface of the Earth is

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2 g

1/2 g

1/3 g

1/4 g

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