CURIOUSITY QUIZ: FORCE AND PRESSURE

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Test Your knowledge on Force and Pressure prepared exclusively according to the NCERT science curriculum for Class-8 . Attempt all the questions by clicking on the right option. Submit the completed Form by clicking the 'Submit' button at the end of the Form. Get your Score and the correct Answer by clicking the 'View score' button. Good Luck!

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A Force is a physical quantity which has :

1 point

Magnitude only

Direction only

Both Magnitude and Direction

None of the above

Clear selection

A Force can bring about a change in the :

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Motion of a body

Energy level of the body

Configuration of the body

State of motion of the body

Clear selection

The Force of Friction always acts in a direction :

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Same as that of the motion of the body.

Opposite to the direction of gravity.

Opposite to the direction of the motion of the body.

Same as the direction of gravity.

Clear selection

Examples of Contact Forces are :

1 point

Mechanical Force, Muscular Force, Friction

Mechanical Force, Gravity, Friction

Muscular Force, Electrostatic Force, Mechanical Force

Magnetic Force, Electrostatic Force, Nuclear Force

Clear selection

Examples of Non-contact Forces are:

1 point

Mechanical force, Muscular Force, Friction

Muscular Force, Electrostatic Force, Mechanical Force

Gravity, Magnetic Force, Electrostatic Force

Magnetic Force, Electrostatic Force, Friction

Clear selection

Gravitational Force is always:

1 point

Weak and Repulsive in nature

Strong and Repulsive in nature

Strong and Attractive in nature

Weak and Attractive in nature

Clear selection

Pressure is a physical quantity that has :

1 point

Magnitude only

Direction only

Both Magnitude and Direction

None of the Above

Clear selection

Pressure exerted on a body depends on the :

1 point

Force Applied only

Area of Contact only

Both Force Applied and the Area of Contact

Can't Say

Clear selection

We are able to chop fruits easily with a sharp knife , because the knife produces a large:

1 point

Force

Pressure

Thrust

Impulse

Clear selection

Pressure exerted by a column of liquid like water at the bottom of a container solely depends on the :

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Shape and size of the container in which it is kept.

Volume of the the container in which it is kept

Area of cross-section of the container in which it is kept

Height of the water column from the bottom of the container

Clear selection

The enormous amount of atmospheric pressure can be felt only when :

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We dive deep into the ocean

We fly in an airplane in air

We go deep down inside the Earth's crust like a mine

A vacuum is created

Clear selection

Who first, with the help of two evacuated copper hemispherical vessels, conducted a landmark experiment to demonstrate the tremendous effect of atmospheric pressure?

1 point

Otto von Guericke of Germany

Evangelista Torricelli of Italy

Blaise Pascal of France

Sir Isaac Newton of England

Clear selection

What is the SI unit of Pressure?

1 point

Joule

Newton

Pascal

Watt

Clear selection

How many Pascals is 1 Atmospheric Pressure?

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1015 (1.01 x 10 4)

10132 (1.01 x 10 4)

101325 (1.01 x 10 5)

201325 (2.01 x 10 5)

Clear selection

This is a weak , non-contact Force that depends only on the Mass of the bodies involved :

1 point

Electro-magnetic Force

Electrostatic Force

Gravity

Mechanical Force

Clear selection

What is the weight of air column over 1 square cm area on the Earth's surface at sea level ?

1 point

1.03 kg (10.1 N)

2.03 kg (20.2 N)

10 kg (98N)

5 kg (49 N)

Clear selection

On what the Pressure of a liquid column depends ?

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Height of the liquid column

Density of the liquid

Acceleration due to gravity

All the above factors

Clear selection

When a balloon, rubbed with a Silk cloth, is brought near a wall, it sticks to the wall. What is the Force of attraction involved here ?

1 point

Electrostatic Force

Electro-magnetic Force

Electromotive Force

Elastic Force

Clear selection

When we double the Area of contact for a given Force, what will happen to the Pressure exerted by it?

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Pressure will remain same

Pressure will become doubled.

Pressure will become half.

Can't be said.

Clear selection

What are the forces acting on a rocket immediately after lift off (neglecting air resistance)?

1 point

Weight due to gravity

Thrust due to ejecting gases

Both the above answers are correct.

Can't be said.

Clear selection

How much height of mercury column is equivalent to 1 atmospheric Pressure ?

1 point

76cm

76mm

760cm

100cm

Clear selection

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