1. The problem statement, all variables and given/known data a 50kg block of wood is pressed against a smooth wall by a force perpendicular to the wall. if the coefficient of static function is .13, what is the minimum force that is necessary to keep the block of wood in place. 2. Relevant equations Fg= mg Fn = ma Ff= µ Fn = µma Fa = ma 3. The attempt at a solution Ff+Fn-fa = 0 since we want the block to be still. µma +ma = fa .13*50kg*a + 50kg*a = fa [(.13*50)+50]a=ma 56.5a= 50a this is wrong.