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Earn 100

When you stand on scales you see your mass in kg. Explain whether it is your mass or your weight that makes the scales work.

Important Questions on Forces and their Effect

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Archimedes' Principle is used in

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The earth has got its own pulling force called the _____ force.
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Fill in the blank with the right word.

_____ is the force that pulls other objects towards its centre. (Friction/Gravity)

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The force exerted by the Earth on all the objects is called _____ force.
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The spring balance is used to measure _____.(Distance/Weight)
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Fill in the blank using the right word:
All objects have weight because of _____ (gravity/friction) between them and the earth.
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Examples for scalar quantity(s) are

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The force applied due to the _____ is called gravitational force.
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It is difficult to climb _____ on the stairs. (down/up)
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The weight of an object on the earth is about _____ of its weight on the moon.
Select among: four times, one sixth, six times, one fourth.
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The acceleration due to gravity does not depend upon the _____ of the body.(mass/weight)

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Complete the sentences using words from the word list. (Choose from: mass, weight)
The amount of matter an object is made from is called its _____.

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The weight of an object on the moon is about _____ of its weight on earth. (Choose out of: One fourth, One sixth, One twelfth)
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An iron sphere of mass 10 kg has the same diameter as an aluminium sphere of mass 3.5 kg. Both the spheres are dropped simultaneously from a tower. When they are 10 m above the ground, they have the same:
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The force exerted by the earth on a body is called the _____ of the body.
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Choose the right word and fill in the blank provided below.

The force that pulls everything down towards the Earth is called _____ (gravity/friction).

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Body A collides with a body B. A exerts a force of 10 N on B. The force which B exerts on A is _____ N.

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The force exerted by the earth is called _____ force.
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If the weight of a body is 6 N on the moon, it will be _____ N on the earth.
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Complete the sentences using words from the word list. (Choose from: mass, weight)
The force of gravity acting on an object causes the object to have _____.