"explain the need for a net external force to act in order to change the velocity of an object"
i don't get what to write for this... the only thing on net external force in textbook is newtons first law -.-''
can ne1 help me answer this thank u
" If the gothic novel is based on responders questioning their 'certainty', how successful is The Castle of Otranto? "
how can i answer this essay question ~ i need help !