Which term is defined as:  "Measures the magnitude (size) and direction?"*5 pointsSPEEDVECTORVELOCITYSCALARACCELERATIONFORCE

Which term is defined as:  "How fast an object is moving in a certain direction?"*5 pointsVECTORVELOCITYACCELERATIONSPEEDSCALARFORCE

Which term is defined as "a change in velocity?"*5 pointsFORCESPEEDSCALARVECTORVELOCITYACCELERATION

Match the description in column A with the correct term in column B.Group of answer choicesA change in position with respect to a certain reference point.It is refers to the total path length travelled by an object.It is the rate at which the position of an object changes.An instrument that measures speed.A very important tool in analyzing the motion of an object.

A is a quantity that must always be stated with magnitude and direction. (Fill in the blank with one word.)

Which of these physical quantities are vectors?*1 pointvelocityspeeddistanceforcedisplacementgravity