Friction is a necessary evil. justify
WebAnswers (1) Frictional force causes a lot of losses in general upkeep and wear and tear of machinery. Hence it is considered as a evil. But almost all crucial tasks cannot be carried out without the presence of friction. Basic activities like walking and writing on a surface are possible due to friction. Hence it is considered as a necessary evil. WebSep 27, 2024 · The maximum static friction after which the body will start moving is called limiting friction. FRICTION IS A NECESSARY EVIL-Friction is very harmful but at the same time its very useful too. so its referred to as necessary evil. Because of friction only we are able to move on ground, write on paper with pen, move on vehicles, you can hold ...
Friction is a necessary evil. justify
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WebMar 30, 2024 · Helps in Writing. We are able to write because graphite particles from our pencil rub off on paper due to friction. Similarly teacher is able to write on board … WebMost Upvoted Answer. Why do friction is known as a 'necessary evil'? 1)it helps in gripping. 2)it helps us to walk.if there was no friction we would never stop once we set into motion. 3)it helps us to write on paper or any other thing. 1)it is responsible for the wear and tear of machines. 2)it reduces the speed of a moving object.
WebAug 22, 2024 · Answer. Friction is said to be a necessary evil because it is useful as well as harmful. friction helps us to walk, write, hold things, lift objects. ... Without friction many essential processes can not be done. On the other hand, it is also unecessary at times. WebFeb 12, 2024 · Friction is defined as the force which opposes the 1 relative motion between two surfaces in contact. (MAY-2014) a) Friction is a necessary evil, Explain. b) What is meant by banking of roads? c) Obtain an expression for maximum speed on a banked road without considering friction. Answer: a) Friction has both advantages and disadvantages.
WebFrictional force causes a lot of losses in general upkeep and wear and tear of machinery. Hence it is considered as a evil. But almost all crucial tasks cannot be carried out without the presence of friction. Basic activities like walking and writing on a surface are possible due to friction. Hence it is considered as a necessary evil . WebWithout friction we can't live happily because all the vehicle is moving due to friction also we can't travel if friction is not present. If we move by any kind external force. Then we can't stop if friction is not present in nature. And streamline of aerospace is made to reduce the friction due to air. Assertion is incorrect but Reason is correct.
WebFriction although is necessary, can be excessive at times. Most machines require repair and maintenance because of the frictional force. The friction between parts over time is …
WebJun 17, 2016 · 80 people found it helpful. Friction can cause us loss of massive amount of energy in different ways. But the same friction is also a boon. For an example, if we roll a ball, then the ball rolls and after a particular time , it comes to rest. It because of the pressure acting between the ball and the ground. But in the absence of friction, the ... productivity over timeWebFriction is called a necessary evil because it wears out the materials be it screws, ball bearing or soles of shoes. This wear and tear increases the maintenance cost of the … productivity padsproductivity packWebMar 4, 2024 · 1.)friction is necessary evil. Justify ? 2.)write at least 3 poininst force? refers to the attachment.. unable to post as it contains rude words :( productivity pack v2 reviewsWebFriction is the force resisting the relative motion of solid surfaces, fluid layers, and/or material elements sliding against each other.It may be thought of as the opposite of "slipperiness". Friction is the "evil" of all motion. No matter which direction something moves in, friction pulls it the other way. relationship marketing in banking industryWebHence friction is a self-adjusting force. If there is no friction between any two surfaces in contact , then we will not be able to walk properly on the earth. Hence friction is … relationship matching puzzle tattoosWebNov 27, 2024 · Friction is an evil: It is an evil because it results in energy wastage. Due to friction we have to spend lot of energy and money to make things move and make life … productivity pages