i works on phisic project…(learning phisic for childs)…i designed a ball that falls down in soft place and goes under the eart …when we carry this ball uper …ball goes more under the eart…i make this ball dragable and with varible speed=… &…&…make this ball.but may metod its not good.and not works correctly.plz help me,what can i do?..,sorry for wrong spell in english…i m low in it.
i see the sample in kirupa tutorial but its not dragablae & not same as my work…plz help
