Force & Motion

Question 1

decreasing

Answer 1

to become less in number, amount, or size

Question 2

speed

Answer 2

the rate at which an object moves through time

Question 3

direction

Answer 3

the line or course along which something moves, lies, or points

Question 4

non-contact force

Answer 4

the force between two objects that are not in physical contact. (e.g. gravity)

Question 5

contact force

Answer 5

the force between two objects that are in physical contact
(e.g. throwing ball)

Question 6

increasing

Answer 6

to grow or rise, or to become greater in number, amount, size

Question 7

force

Answer 7

a push or pull that causes an object to move, stop or change direction

Question 8

motion

Answer 8

the process of an object moving or being moved

Question 9

Change in Mass

Answer 9

the increase/decrease in mass requires an increase/decrease in force needed to create motion

Question 10

friction

Answer 10

a contact force that is created anytime two surfaces move or try to move across each other

Question 11

gravity

Answer 11

the non-contact force that pulls a body towards the center of the earth