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it is a good pace try goin in the same pace and then start solving from DCP

in pure rolling direction of friction is difficult to find out.

for eg:
A body is rolling with linear velocity v and rotating with angular velocity

case1
if we take friction is acting front.
then it will decrease and increase v
and it will slip

case2
if it acts backwards
then it will increase and decrease v.
and again it will slip

i hope this was useful

rate me if u like it

tell me good conceptual book for maths IIT

in pure rolling direction of friction is difficult to find out.

for eg:
A body is rolling with linear velocity v and rotating with angular velocity

case1
if we take friction is acting front.
then it will decrease

and increase v
and it will slip

case2
if it acts backwards
then it will increase

and decrease v.
and again it will slip

i hope this was useful

in pure rolling
a=r

i think this was useful

conservation of linear & angular momentum is only applicable when external force & torque is 0 respectively

=2

n

=2

1500/60

F=m

^2d/2

then we get F=14.8N

freefalling is not weightlesseness
at the time of free fall normal reactionis 0.

infinity cannot be defined but it is biggest of all numbers.
0/0 canoot be defined exactly it is undefined.

1/0 is an infinity

a good book

yes a good book

I am studying in 'XI' I lack self confidence please tell me how to improve it please.

IIT and CBSe syllybus is bit different if study for IIT througly u will easily get 90% in CBSE