Objects in space a: do not require a force to move because there is no gravity. b: stop on their own. c: move on their own. d: require a force to move because they have mass.

D, the Objects need force to move but it need mass, in space there is no gravity pulling a other gravity in place, that why in space there are no way to,because the of the pull, but D is right, i think

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y