

A heavy chain of length / rests partly on a rough 



r patting over the smooth 



. 



^s freelv 

 east Icngt:. table consist- quilibrium, 



A heavy i: liun^ r 



o of a r< , How 1 



ii hang ti 

 is on motion ? 



Result. Let a be t : i of the longer piece which 



hangs down, radius of 



. tan the coefficient of fi 



****? 



" b -i 



J."i. A uiiif.'rm In-am .f \vri-lit H" i^ in-v.al.!.- 

 hinge at one , and has the other attached to a > 



, pamin^ over a very small rough peg 



' hinge, and at a distance tr 



-jiia. beam, supports a -hew 



that if be t. ation of the beam to the vertical when 



******* 

 IF sin 10 -TV"' . 



. also the strain on the hinge. 



26. Oi f a heavy chain is attached to a fixed point 



to a weL i is placed on a rough 



1 plane passing thr anp 



-h a slit / be 



th- i^n-ati-*t distance of the w- 

 .il.rium is possiM 

 i twice the ratio of the given weight to the 



M (i + ) *'* m} - 1+ ^(l-f/i 1 (1 



