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"Frictional force is a helpful demon"
This is the meaning of the topic

It's said as helpful because we can't

Write with pen on paper

Run ,jog ,walk

On the other hand there are many disadvantages also. Here are some :

It causes heat and noise

It makes the machine move slowly

By,
Kabir D Raj
V-B

DP

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Friction is the force which is used by us on regular basis. It is neither good or bad.
Their are advantages and disadvantage of friction.
Advantages are-
1) It hlep is in walking and writing.
2) without friction a car can't move on the road.
Disadvantages are-
1) Due it noise is produced in the machines.
2)We have to extert more power in machines.
By- Drishti Dewan V-B

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Friction is the force between two objects which are in contact with each other.Friction is an evil  but it is a necessary evil.
Advantages of Friction:
1) It helps us in walking.
2)It helps us to write.Without Friction pencil would slip out from our hand.
Disadvantages of Friction:
1)It opposes the motion
2) It produces heat in various parts of machines.
Hence we can say that Friction is a friend as well as an evil.
Aaditri Garg V B

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Friction is the force between two objects which are in contact with each other. It always works in the opposite direction of motion.
Advantages of friction :
1) It helps us in walking.
2) It helps us in writing. Without friction pencil would slip out from our hand.

3) Our car will not start moving if there is no friction between the tyres and the street.
4) It helps in fixing a nail.
Disadvantages of friction:
1) It opposes the motion.
2) It produces noise in the machines. RAUNAK 5B

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so the tire stop.
Hence we can conclude by saying that friction is a friend as well as a foe

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We may think that friction is bad but it is necessary too. A cycle has a break pad and it has heavy friction

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Friction is usually called a necessary evil. Without friction, we cannot give a better performance in the field of sports. For example, athletes use spikes and football players use studs to have appropriate friction while they run fast. Without friction they are unable to run fast. Even walking may be difficult due to less friction. The weightlifters also use lime on palms before holding the bar in jerk and snatch. In badminton, the players are usually seen to rub their soles of shoes with line before going to the wooden court.  There are a lot of examples where friction is advantageous. Even gymnasts also use lime on their palms to perform on horizontal bar, uneven bars and roman rings to have friction. Friction is disadvantageous in some of the sports and games, such as in cycling, there should not he more friction between road and the tyres of cycle. If there is more friction there will be more wastage of energy of the rider. The tyres must be fully inflated to reduce the force of friction in cycling. In roller skating, there should be less friction for better performance. It can be said it is advantageous in some of the sports but in other sports more force of friction is disadvantageous. That is an explanation for friction is necessary evil.
By Shivam Sharma 5-B

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Friction is necessary evil.
Write your opinion in minimum 50 words.