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i am not understanding about friction.problemsbased on friction.
first clear ur concept from book HC Verma or Dc pandey choose any one ....after solve numericals ....
FRICTION:-The force opposed on any body which is in motion to reduce the motion is called friction. There are three types of friction.they are:- (1)Static friction(or)limiting friction.(fs) (2)kinetic friction(or)dynamic friction.(fk) (3)rolling friction.(fr) fs=Us.N for further information type the question and mail to the address.
FRICTION:-The force opposed on any body which is in motion to reduce the motion is called friction.
There are three types of friction.they are:-
(1)Static friction(or)limiting friction.(fs)
(2)kinetic friction(or)dynamic friction.(fk)
(3)rolling friction.(fr)
fs=Us.N for further information type the question and mail to the address.
ITS SIMPLE ALWAYS TAKE FRICTION IN OPPOSITE DIRECTION OF MOTION ,............ BUT IN CASE OF ROTATIONAL U WILL HV TO ANALYZE THE PROBLEM EX: CAR MOVING IN +X AXIS DIRECTION FRITCTION FORCE WILL ALSO ACT IN SAME DIRECTION OF MOTION TO UNDERSTAND THIS CONSIDER THE WHEELS OF CAR AND SEE TANGENTIAL VELOCITY ITS TOWARDS -VE X AXIS FRICTIONAL FORCE IS GIVEN BY COEFFICENT OF FRICITON*NORMAL FORCE IN ANY CASE.............. IN CASE OF INCLINATION RESOLVE FORCES IN X AND Y DIRECTIONS U CAN REFER TO HC VERMA SURELY IT WILL MAKE UR BASIC CLEAR
ITS SIMPLE
ALWAYS TAKE FRICTION IN OPPOSITE DIRECTION OF MOTION ,............ BUT IN CASE OF ROTATIONAL U WILL HV TO ANALYZE THE PROBLEM
EX: CAR MOVING IN +X AXIS DIRECTION FRITCTION FORCE WILL ALSO ACT IN SAME DIRECTION OF MOTION
TO UNDERSTAND THIS
CONSIDER
THE WHEELS OF CAR AND SEE TANGENTIAL VELOCITY ITS TOWARDS -VE X AXIS
FRICTIONAL FORCE IS GIVEN BY
COEFFICENT OF FRICITON*NORMAL FORCE IN ANY CASE..............
IN CASE OF INCLINATION RESOLVE FORCES IN X AND Y DIRECTIONS
U CAN REFER TO HC VERMA SURELY IT WILL MAKE UR BASIC CLEAR
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