S ST2010 Member Joined Jul 5, 2008 Messages 60 Gender Undisclosed HSC 2010 Mar 1, 2009 #1 A car of mass 50KG accelerated from rest to 45ms-1 in 5secs. What net force must have been applied to produce this acceleration?? can u show me the working out and formula please^^
A car of mass 50KG accelerated from rest to 45ms-1 in 5secs. What net force must have been applied to produce this acceleration?? can u show me the working out and formula please^^
P pillar Member Joined Jan 29, 2009 Messages 96 Gender Male HSC 2010 Mar 1, 2009 #2 force = mass x acceleration acceleration = velocity/time therefore acceleration = 45/5 = 9 m.s-2 net force = 50 x 9 = 450 N
force = mass x acceleration acceleration = velocity/time therefore acceleration = 45/5 = 9 m.s-2 net force = 50 x 9 = 450 N
