Question
What does friction cause to the screws, ball bearings
and soles of the shoes?Solution
Friction is a force that opposes the motion and comes into play when two bodies in contact either try to move or start moving over each other. When two bodies rub against each other, Frictional force comes into play, and work is done to overcome the friction. As a result, heat is produced, and when the objects are repeatedly subjected to this heat in the long run and get damaged. The nano-scale irregularities present on the surfaces of contact are considered as the origin friction. Lubrication and Smoothening of surfaces are done to reduce friction.
'Nakshatra Sabha,' aimed at promoting astro-tourism, was first held in which Indian city?
What is the minimum credit risk percentage required for NBFCs in co-lending arrangements?
During which Governor-General's tenure did the first passenger train operate in India?
The India-Middle East-Europe Economic Corridor (IMEC) is expected to reduce logistics costs and improve what aspect of maritime operations?
Which of the following city has topped the list in global safe city index
In which year were the Operation Shakti nuclear tests conducted by India?
_______expansion makes the Eiffel Tower taller during summers.
Recently, where was the National Education Conference ‘GyanKumbh’ held?
Which number will come at the end of the number series?
85, 77, 70, 64, 59, 55, _____?
किस भारतीय मूल की महिला ने अंतरिक्ष में सर्वाधिक समय तक रह...
Relevant for Exams:
