Otherwise we cannot type on key board and move the mouse as wanted.
A necessary evil means that friction has advantages as well as disadvantages so it called as necessary evil. Advantages of friction areits helps us to walkto writedriving car, etc,
Friction is not necessarily an evil, but rather a natural force that arises when two surfaces come into contact. While friction can sometimes be seen as an obstacle or source of resistance, it is also essential for everyday tasks such as walking, driving, and writing. Without friction, it would be difficult to move objects or maintain traction, posing safety risks and making many activities impossible.
Friction is often referred to as a "necessary evil" because while it can impede motion and cause wear and tear, it is also essential for many everyday tasks. Friction provides traction for walking and driving, allows us to grip objects, and is crucial for many industrial processes. So, while it can be an inconvenience, it also plays a vital role in our daily lives.
Friction is a disadvantage because it causes resistance and reduces the efficiency of motion in various mechanical systems. It generates heat, causes wear and tear on surfaces, and can lead to energy loss. Minimizing friction is essential for improving performance and reducing the negative effects associated with it.
The two types of friction are static friction and kinetic friction. Static friction occurs when two surfaces are at rest relative to each other, while kinetic friction occurs when two surfaces are in motion relative to each other.
friction is called a necessary evil because we cannot completly avoid it an actually it is used in many cases.
Friction is necessary : If there is no friction between any two surfaces in contact, then the present day civilization will be no more- as we cannot even walk properly on the earth. There will be no fabrics and garments, no construction of buildings and no furniture, even no cooking and no vehicles. So friction is necessary. But too much friction causes a heavy loss of energy, wear and tear of machinery. Thus, the efficiency of machines will decrease tremendously. So, it is rightly said that friction is a necessary evil.
Yes necessary evil. If friction is totally absent then no wheel could roll on the road. No chance of walking on the floor. We cannot hold even the pen. Same time too much of friction would bring a terrible loss of energy.
Friction makes us hard to walk on slopes, it wears out the materials whether they are screws, ball bearings or soles of shoes. Friction also produces heat.
A necessary evil means that friction has advantages as well as disadvantages so it called as necessary evil. Advantages of friction areits helps us to walkto writedriving car, etc,
because we cant walk , hold articles , we cant write and the construction of house is impossible. but there are some disadvantages in friction.
googkle
Friction is not necessarily an evil, but rather a natural force that arises when two surfaces come into contact. While friction can sometimes be seen as an obstacle or source of resistance, it is also essential for everyday tasks such as walking, driving, and writing. Without friction, it would be difficult to move objects or maintain traction, posing safety risks and making many activities impossible.
Yes if nessary
is a stench pipe nessary
3
It is not nessary but it posible.