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1. Block on movable wedge pulley system

If to displace the wedge by lets say x meters then the string which you marked with green will displace x similarly the blue one would move x too hence total disp in x dir would be equal = 2x this would result in the increase of length in the red string as the string is inextensible..... what...
2. Block on movable wedge pulley system

sorry the ans should accof wedge=2acc of blockwrtwedge
3. Rotational: angular momentum

Thanks for the reply but I solved it

I solved it
5. Rotational: angular momentum

but can you please solve iit jee paper 2 2016 rbd question
6. Rotational: angular momentum

I solved it just used the wrong equations ...!
7. Rotational: angular momentum

It's not fixed ...it's on the floor free to rotate and translate
8. Rotational: angular momentum

Homework Statement a spool of radius R1 and R2 (R2>R1) is kept on hortizontal surface. A force f= 2t N (where t is time ) acts on the inner radius tagentially find the angular momentum of the system about the bottomost point of the spool. Homework Equations v=u+at W=Wi+alpha(t) L=IW+mvr...