Answers

2016-02-25T20:11:07+05:30
Mass=70g
       =.07 kg
height=10m
g=10m/s2

force=mass*acceleration*height(as, here,the body is raised to a ht)
        =0.07*10*10
        =7N
0
2016-02-25T21:56:44+05:30
M=70g into kg 0.07kg
h=10m
g=10m/s sq.
P.E.= mgh
=0.07×10×10
=7N
0