$14.|$ A constant force applied to object A causes it to accelerate at

$5$ m$/$s$2$

$.$ The same force applied to object B causes an accelera$-$

tion of $3$ m$/$s$2$

$.$ Applied to object C$,$ it causes an acceleration of

$8$ m$/$s$2$

$.$

a$.$ Which object has the largest mass?

b$.$ Which object has the smallest mass?

c$.$ What is the ratio of mass A to mass B $1$mA$/$mB$2?$