Answers

2014-03-10T12:48:28+05:30
F=m*a
here acceleration is due to gravity
F=2*9.8
F=19.8N

2 2 2
2014-03-11T20:01:04+05:30
G= 9.8 m/s
mass=20kg
F = mg
= 2*9.8
= 19.8 N
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