CHAPTER 2

Question 1

QUANTITY

Answer 1

a property of an object, substance, or phenomenon that can be measured

Question 2

DERVIVED QUANTITY

Answer 2

a quantity that comes from a combination of base units

Question 3

DERIVED UNIT

Answer 3

a unit used to represent a derived quantity, such as N for force

Question 4

VECTOR QUANTITY

Answer 4

a quantity with a magnitude (size) and direction

Question 5

SCALER QUANTITY

Answer 5

a quantity with a magnitude (size) but no direction

Question 6

PARALLEL (VECTORS)

Answer 6

in the same line and direction

Question 7

RESULTANT VECTOR

Answer 7

a single vector that has the same effect as two or more vectors added together

Question 8

ANTIPARALLEL (VECTORS)

Answer 8

in the same line but opposite directions

Question 9

VECTOR TRIANGLE

Answer 9

a triangle constructed to scale to determine the resultant of two vectors

Question 10

PHYTHAGORAS’ THEOREM

Answer 10

a2+b2=c2

Question 11

RESOLVING A VECTOR

Answer 11

splitting a vector into two component vectors perpendicular to each other

Question 12

COMPONENT

Answer 12

one of the two perpendicular vectors obtained by resolving a vector