Please solve question 5..(c)part related to pulleys..
Please solve question 5..(c)part related to pulleys.. u est•ons trom this section
5 (a) (I) State thepnnciple of moments.
A fort* of 5N applied at the edge of a door a mcN•nent
of foræof 4*lm. What is the width of a door? 
(b) A uniform meter scale balanced at 40cm mark. when weight
Of25gf and IOgf are suspended at Scm and 75cm mark
respectively. Calculate weight Of meter Scale.
(C) (i) Apulleysystem has velocity ratio 3. Drawlabeled diagram ot
the pulley system.
(ii) If load of 750gf is lifted by the movable block of mass 1 Sog in
the above pulley system, Calculate the effort required to do
l) A metal ball of specific heat capacity 400' oc allowedto
fall from a height of 100m. If the ball on hitting a ground stops