3
iitimcomin
·2009-02-19 23:30:44
lwt string extend by x3 because of the body movin down the incline........
let string length decrese by x2+x1 becauze bodies 1,2 .............
x3=x1+x2........
v3=v1+v2........
a3=a1+a2........
sir pls see wat is rong .......
sir note my bodies 1,2,3 are different form sky s........may be thats th confusion!!!!
62
Lokesh Verma
·2009-02-19 23:24:33
iitimcoming..
may be i am sleeping
but could you please check if it is
a1-a2=a3
or a1+a2=a3 for your set of equations..
try tthe work done by tension.
24
eureka123
·2009-02-19 23:00:40
why the fight for pink???????????? its just a bonus.......dont worry about it...........there will be so many instances when ur soln wont be pinked so dont get angry or depressed[1].......
thats why i always say that this site is gr88 it is not like that cheap goiit where users fight for rates only
3
iitimcomin
·2009-02-19 22:56:11
ive taken a3 for the body movin down the incline ............
so the body movin down the incline tries to increase the length of the spring but the other 2 blocks reduce it keepin the string length constant!!!!!!!!!!!!!!!!!!!!!!
a3 = a1 + a2 !!!!!
3
iitimcomin
·2009-02-19 22:48:03
it is same as wat skygirl is ritten ive taken a1 , a2 ,a3 for different bodies sir.... see my fbd its mentioned there!!!
62
Lokesh Verma
·2009-02-19 22:41:54
@iitimcoming
the constraint equation you have written seems incorrect to me
1
big looser .........
·2009-02-19 06:44:33
but the answer is am= 13g/34
a2m=√397g/34
a3m= 3g/17
3
iitimcomin
·2009-02-19 07:53:29
sorry about not includin normal force!!!!
3
iitimcomin
·2009-02-19 07:52:51
the first eqxn if not clearly visible is T - N1 = 3ma1
1
skygirl
·2009-02-19 07:14:03
well y that constraint ?
sab acc oh same hai naa ?
62
Lokesh Verma
·2009-02-19 07:12:19
ek small mistake wihch i din notice
there is a normal reaction in horizontal direction on Block of mass 3m!