Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Laws of solid friction:
Sol.: The friction which exists between two surfaces that are not lubricated is called as solid friction. The two Surfaces can be at rest or one of the surfaces is moving and other surface is at rest. The following are laws of solid friction.
1. The force of friction acts in opposite direction in which the surface is having tendency to move.
2. The force of friction is equal to force applied to surfaces, so long as surface is at rest.
3. When surface is on point of motion, force of friction is highest and this maximum frictional force is called as limiting friction force.
4. The limiting frictional force bears constant ratio to the normal reaction between the two surfaces.
5. The limiting frictional force does not depend upon shape and areas of surfaces in contact.
6. The ratio between the limiting friction and normal reaction is a bit less when the two surfaces are in motion.
7. The force of friction is independent of velocity of sliding.
The above laws of solid friction are called as laws of static and dynamic friction or law of friction.
What do you understand by interference between two mating gears ? if interference between two involutes gears is to be avoided then show that the maximum length of arc of contact w
Solving example by this method
(a) Derive the mathematical expression for Steady Flow Energy Equation. State the assumption made before the derivation. (b) The internal energy of a substance is provided by th
Mash stitch welding An overlap of about 1.15 mm is kept and then the plates are squeezed flash by application of pressure at hot condition. Mash stitch welding is used in the
Restricted Search over All Possible Scheduling All options to this approach aim to calculate a schedule for a specific number of operations and after that to schedule the initi
why stress distribution diagram is different for I section, T section andcircular section?
Cooling System: A cooling system is designed to remove a part of heat generated inside the cylinder that may be harmful to engine parts. The heat is produced in the engine cylinde
Sialons Mixture of silicon nitride, aluminium nitride and alumina is hot pressed to acquire a product largely called as sialon. In the resulting product the structure has part
how to build a bridge
Q. What is Passive Fire Protection? Passive fire protection is defined as any fire protection system that, by its nature, plays an inactive role in protecting personnel and pro
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd