Which of the following is not true?

if the net force of an object is not zero, then there will be acceleration of some kind and the object will change the magnitude and/or direction of motion.

newtons are the unit used for forces.

when a force acts on an object unopposed, the net force is zero.

if the sum of all forces on an object is zero, then the object will not accelerate.

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions

Is it safe to take 450mg of diphenhydramine hydrochloride?