New Terms for Chapter 5

Question 0

The distance travelled divided by the time interval during which the motion occurred

Answer 0

speed

Question 1

an objects change in position relative to a reference point

Answer 1

Motion

Question 2

the speed of an object in a particular direction

Answer 2

velocity

Question 3

the rate at which velocity changes over time; an objects accelerates if its speed, direction, or both changes

Answer 3

acceleration

Question 4

a push or pull extended on an object in order to change the motion of the object

Answer 4

force

Question 5

The SI unit for force

Answer 5

Newton

Question 6

The combination of all the forces acting on an object

Answer 6

net force

Question 7

a force that opposes motion between two surfaces that are in contact

Answer 7

friction

Question 8

a force of attraction between objects that is due to their masses

Answer 8

gravity

Question 9

a measure of the Gravitational force exerted on an object; its value can change with location of the object in the universe

Answer 9

weight

Question 10

a measure of the amount of matter in an object

Answer 10

mass