Answers by visitors named: Flaca

ur solving for Fn (net force). ur gona be usin this equation ~~ Fn= mg + ma ~~ "m" is mass "a" is acceleration "g" is obviously gravity in ur problem the given are m = 5.1kg a = 4.5m/s^2 g = 9.8m/s^2 or 9.8m/s^2 (depending on what your problem says) so now u plug it in the formula Fn = (5.1kg*9.8m/s^2)+(5.1kg*4.5m/s^2) and it should equal this Fn= 72.93N