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? [3] (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. [31 (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 so.lg=1000cms [41 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

Effort = 1.5N which is provided by the movable mass, itself if we neglect friction

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