Chapter 3 Vocab

Question 1

Air Resistance

Answer 1

A friction-like force, opposes the motion of objects that move through the air

Question 2

Centripetal Force

Answer 2

The net force exerted toward the center of a curved path

Question 3

Friction

Answer 3

The force that opposes the sliding motion of two surfaces that are touching each other

Question 4

Gravity

Answer 4

Attractive force between two objects that depends on the masses of the objects and the distance between them

Question 5

Momentum

Answer 5

property of a moving object that equals its mass times its velocity

Question 6

Newton’s 2nd Law of Motion

Answer 6

States that acceleration of an object is in the same direction as the net force of an object, and that the the acceleration equals the net force divided by mass F=MA

Question 7

Newton’s 3rd Law of Motion

Answer 7

States that when one object exerts a force on a second object, the second object exerts a force on the first object that is equal in strength and in the opposite direction

Question 8

Terminal velocity

Answer 8

The highest speed a falling object will reach

Question 9

Projectile

Answer 9

Anything that’s thrown or shot through the air, Earth’s gravity causes projectiles to follow a curved path

Question 10

Weight

Answer 10

Gravitational force exerted on an object