EASY
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A magnetic field force occurs only with the physical contact between two objects.

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Important Questions on Force

EASY
Science>Physics>Force>Field Forces
Name two non-contact forces.
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Science>Physics>Force>Field Forces
In the following situations identify the agent exerting the force and the object on which it acts. State the effect of the force in each case.
Taking out paste from a toothpaste tube.
MEDIUM
Science>Physics>Force>Field Forces
What is magnetism?
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Science>Physics>Force>Field Forces
Name the force generated by a bar magnet.
MEDIUM
Science>Physics>Force>Field Forces
A rocket has been fired upwards to launch a satellite in its orbit. Name the two forces acting on the rocket immediately after leaving the launching pad?
MEDIUM
Science>Physics>Force>Field Forces
An inflated balloon was pressed against a wall after it has been rubbed with a piece of synthetic cloth. It was found that the balloon sticks to the wall. What force might be responsible for the attraction between the balloon and the wall?
EASY
Science>Physics>Force>Field Forces
A small device pulls iron nails from a distance. Which type of force is involved in this process?
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Science>Physics>Force>Field Forces
It is difficult to walk on a wet floor. Why?
EASY
Science>Physics>Force>Field Forces
In the following situations identify the agent exerting the force and the object on which it acts. State the effect of the force in each case.
Squeezing a piece of lemon between the fingers to extract its juice.
HARD
Science>Physics>Force>Field Forces
Differentiate between muscular force and elastic force.
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Science>Physics>Force>Field Forces
When an animal pulls a cart, it uses _____ force.
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Science>Physics>Force>Field Forces
It was _____ who first observed the falling of an apple from the top of a tree and discovered gravitational force. (Sir Isaac Newton / Galileo Galilei)
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Science>Physics>Force>Field Forces
Why is heat produced when we rub our hands together?
EASY
Science>Physics>Force>Field Forces
When a ball is dropped from a height, its speed increases gradually. Name the force which causes this change in speed.
MEDIUM
Science>Physics>Force>Field Forces
What is magnetism?
EASY
Science>Physics>Force>Field Forces
A blacksmith hammers a hot piece of iron while making a tool. How does the force due to hammering affect the piece of iron?
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Science>Physics>Force>Field Forces
_____ is the force exerted by a magnet on magnetic substances.
MEDIUM
Science>Physics>Force>Field Forces

Recall and complete the concept map given below:

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MEDIUM
Science>Physics>Force>Field Forces
List any two advantages and two disadvantages of friction.
EASY
Science>Physics>Force>Field Forces
A ball thrown up falls down due to the action of _____ force.