1 October 2014

JAWAPAN LEVER

JAWAPAN LEVER

a. first class lever

b.see saw, claw hammer, pliers

c.    load x load distance = effort distance x effort

      5 x 4 = 10 x X
      X= 20/10 = 2 kg

d.  (5+4) x 4 = 10 x X

      36 = 10X
       X =3.6 kg

      3.6 -2 =1.6 kg