Define friction and how is friction evil and useful to us
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Answered by
3
yes friction is a necessary evil because
(a) Without friction between the feet and the ground, it would not have been possible to walk.
(b) The tyre of the motor cars and cycles are rough to increase the friction.
(c) In absence of the friction, the brakes of the motor car cannot work.
hope it helps
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(a) Without friction between the feet and the ground, it would not have been possible to walk.
(b) The tyre of the motor cars and cycles are rough to increase the friction.
(c) In absence of the friction, the brakes of the motor car cannot work.
hope it helps
if you like it plz mark it as brainliest ok
Answered by
7
Hey friend!
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Here is your answer
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# What is friction ?
<> Friction occurs when two objects are rubbed against each other.
<> It is a contact force.
#How is friction useful?
<> Friction helps us to walk and write.
<> Friction helps an object to stop and change direction.
<> Friction helps us to light a matchstick and tie a knot.
# How is friction evil ?
<> Friction produces heat between machinery and causes wastage of energy.
<> Friction wears out objects like shoes and ball bearings.
___________________________________________________
HOPE THIS HELPS YOU :)
_____________
Here is your answer
___________________
# What is friction ?
<> Friction occurs when two objects are rubbed against each other.
<> It is a contact force.
#How is friction useful?
<> Friction helps us to walk and write.
<> Friction helps an object to stop and change direction.
<> Friction helps us to light a matchstick and tie a knot.
# How is friction evil ?
<> Friction produces heat between machinery and causes wastage of energy.
<> Friction wears out objects like shoes and ball bearings.
___________________________________________________
HOPE THIS HELPS YOU :)
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