A force of a 2 kg weight acts on a body of mass 4.9 kg .Find the acceleration produced.How far will the body move in 2 seconds ?

Answer 1

F=mg=2•9.8=19.6 N
From Newton’s 2 Law
a=F/m= 19.6/4.9=4 m/s^2.

s=(at^2)/2=(4•4)/2=8 m.