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Smitha
Jun 4, 2014
what are the advantage and disadvantage of friction?
ADVANTAGES OF FRICTION Friction plays a vital role in our daily life. Without friction we are handicap. 1. It is becomes difficult to walk on a slippery road due to low friction. When we move...
Letusknowwhy
Apr 8, 2014
Give examples to show that friction is both a friend and a foe.
Ratnadeep Mishra
Mar 9, 2015
Explain, why rolling friction is less than sliding friction?
Shreenidhi C
Jul 9, 2014
Why do the cutting tools have sharp edges?
Answer: The cutting edges of tools like blades, knives etc., are provided with sharp edges to cut th...
Sanjeev Tiwari
Jul 9, 2015
Give two examples showing the harmful effects of friction.
Sanjay Kumar
Sep 28, 2013
what is the difference between sliding and static friction?For a given pair of objects,which of the two is greater?
Static friction is the friction which comes into play when surfaces of the objects are at rest relative to each other even there is an...
Arunabha Biswas
Jul 20, 2015
why the shape of an aeeroplane or a ship is streamlined?
Punmaram
Nov 14, 2013
why is it difficult to walk on a smooth or wet floor
Letusknowwhy
Apr 8, 2014
Objects moving in fluids must have special shapes. Why?
Sanjeev Tiwari
Jul 9, 2015
Mention three simple methods of reducing friction.
The interlocking of irregularities on the surfaces of two bodies in contact, which cause friction, is overcome to a great extent by the use of lubr...
Smitha
Jun 4, 2014
what are the advantage and disadvantage of friction?
ADVANTAGES OF FRICTION Friction plays a vital role in our daily life. Without friction we are handicap. 1. It is becomes difficult to walk on a slippery road due to low friction. When we move...
Letusknowwhy
Apr 8, 2014
Give examples to show that friction is both a friend and a foe.
Ratnadeep Mishra
Mar 9, 2015
Explain, why rolling friction is less than sliding friction?
Shreenidhi C
Jul 9, 2014
Why do the cutting tools have sharp edges?
Answer: The cutting edges of tools like blades, knives etc., are provided with sharp edges to cut th...
Sanjeev Tiwari
Jul 9, 2015
Give two examples showing the harmful effects of friction.
Sanjay Kumar
Sep 28, 2013
what is the difference between sliding and static friction?For a given pair of objects,which of the two is greater?
Static friction is the friction which comes into play when surfaces of the objects are at rest relative to each other even there is an...
Arunabha Biswas
Jul 20, 2015
why the shape of an aeeroplane or a ship is streamlined?
Punmaram
Nov 14, 2013
why is it difficult to walk on a smooth or wet floor
Letusknowwhy
Apr 8, 2014
Objects moving in fluids must have special shapes. Why?
Sanjeev Tiwari
Jul 9, 2015
Mention three simple methods of reducing friction.
The interlocking of irregularities on the surfaces of two bodies in contact, which cause friction, is overcome to a great extent by the use of lubr...