Bobby​ ​is​ ​pushing​ ​a​ ​20kg​ ​box​ ​up​ ​a​ ​plane​ ​inclined​ ​at​ ​27​ ​degrees​ ​above​ ​the​ ​horizon

Question

b.​ ​find​ ​the​ ​force​ ​bobby​ ​needs​ ​to push​ ​with​ ​so​ ​the​ ​box​ ​is​ ​accelerating​ ​at 5m/s^2

Answer 1

net force= 27kg*5m/s^2
force pushing-weightdownplane=27*5
force pushin=27*5+20(9.8) *Sin27