Newton's Law of Motion

Question 1

motion

Answer 1

the action or process of moving or being moved

Question 2

reference point

Answer 2

a basis or standard for evaluation, assessment, or comparison; a criterion

Question 3

speed

Answer 3

the rate at which someone or something is able to move or operate

Question 4

velocity

Answer 4

the speed of something in a given direction

Question 5

acceleration

Answer 5

a vehicle’s capacity to gain speed within a short time

Question 6

inertia

Answer 6

a tendency to do nothing or to remain unchanged

Question 7

weight

Answer 7

a body’s relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing

Question 8

gravity

Answer 8

the force that attracts a body toward the center of the earth, or toward any other physical body having mass. For most purposes Newton’s laws of gravity apply, with minor modifications to take the general theory of relativity into account

Question 9

action force

Answer 9

force acting in one direction

Question 10

reaction force

Answer 10

force acting in the opposite direction