Answers

  • apl
  • Ambitious
2015-03-14T22:20:20+05:30
(i) catapult is an example of class 3 lever in which both fulcrum and load are placed at sides and effort is made in middle.(ii)  fishing rod is an example of class 1 lever i guess .in which both effort and and load are place at  ends anf fulcrum is placed in between
0
2015-03-17T22:58:59+05:30
A.catapault-- here load, andfulcurum at the end.effort at the centre,b.fishing rod---here load,fulcrum at the end,effortat thecentre.  its the 3rd order lever
0