YR 11 Physics question!! HELP! (1 Viewer)

S

ST2010

Member
Joined
Jul 5, 2008
Messages
60
Gender
Undisclosed
HSC
2010
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
force = mass x acceleration

acceleration = velocity/time

therefore

acceleration = 45/5 = 9 m.s-2

net force = 50 x 9 = 450 N
 
You must log in or register to reply here.

Users Who Are Viewing This Thread (Users: 0, Guests: 1)

Top