Question # 1

The product of force and distance is :

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Force

Work

Torque

Nil

Everybody in the universe attracts other body with a force which is

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Directly proportional to the product of their masses

Inversely proportional to the product of their masses

Directly proportional to the distance between them

Directly proportional to the square of the distance between them

in isolated system the momentum after collision of two bodies.

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Increase

Constnat

Decrease

Zero

1000 liters is equal to:

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100 m³

1 m³

1 cm³

1 mm³

Which expands on heating?

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Water

Steel

Copper

All are true

The product of force and momentum arm is called:

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Couple arm

Torque

Rigid body

Axis of rotation

If the velocity of body increases with time, the acceleration will be.

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Negative

Uniform

Positive

Variable

Earth revolves around the:

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Moon

Sun

Glaxy

None

A large water reservoir heeps the temperature of nearby land moderate due to:

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Low temperature

Low specific heat of water

Less absorption of heat

Large specific heat of water

Highly conducting state of matter is:

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Solid

Liquid

Gas

Plasma

A crate is moved by pulling the rope attached to it. it moves 10 m on straight horizontal read by a force of 100 N. How much work will be done when the rope is making an angle of 30° with the road?

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5 Joules

86 Joules

707 Joules

866 Joules

Which of the following is a vector quantity?

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Distance

Power

Speed

Displacement

Rocket works on principle of ______________

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Action Reaction

Law of inertia

Mass energy

Nil

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