Chapter 10

Question 1

acceleration

Answer 1

changing velocity; the rate at which an object’s velocity is changing.

Question 2

distance

Answer 2

the amount of space between point A and point B.

Question 3

inertia

Answer 3

A property of all matter that causes matter to prefer its present state of motion; quantified by the variable mass.

Question 4

laws of motion

Answer 4

Isaac Newton’s three laws (1687) summarizing the behavior of objects with mass. when no net force is present on such an object, the object retains its present state of motion (first law); when a net force is present, the object accelerates in proportion to the force and in inverse proportion to its mass (second law); and any force always produces an equal and opposite reaction force (third law).

Question 5

speed

Answer 5

how fast an object is moving.

Question 6

state of motion

Answer 6

the state of an object characterized by its possessing a particular velocity; that is, possessing a particular speed in a particular direction; includes a state of being at rest (a speed of 0 m/s).

Question 7

telos

Answer 7

A Greek word meaning purpose, goal, or end.

Question 8

time interval

Answer 8

a specific period of time.

Question 9

uniform acceleration

Answer 9

a situation caused by the presence of a constant net force, in which the velocity of an object increases or decreases by the same amount each second.

Question 10

velocity

Answer 10

a quantity that describes how fast an object is moving and in which direction.