Chapter 2

Question 1

Force is…

C-2: L-1

Answer 1

A push or pull on an object

Question 2

Contact force is

C-2: L-1

Answer 2

A push or pull on an object by another thing that is touching it

Question 3

Non-contact force

C-2: L-1

Answer 3

A force that an object can apply to another object without touching it

Question 4

Gravity is

C-2:L-1

Answer 4

An attractive force that exists between all objects that have mass

Question 5

Mass

C-2:L-1

Answer 5

The ammount of matter in an object

Question 6

Weight

C-2:L-1

Answer 6

The gravitational force exorted on an object

Question 7

Friction

C-2:L-1

Answer 7

A force that resists the motion of two surfaces that are touching

Question 8

Net Force

C-2:L-2

Answer 8

The combination of all the forces acting on an object

Question 9

Balanced forces

C-2:L-2

Answer 9

Force acting on an object that combine to form a net force of Zero

Question 10

Unbalanced forces

C-2:L-2

Answer 10

Forces acting on an object that combine and form a net force that IS NOT ZERO

Question 11

Newton’s First Law

C-2:L-2

Answer 11

An object at rest stays at rest, and an object in motion remains in motion at a constant speed in a straight line unless acted on by an unbalanced force

Question 12

Inertia

C-2:L-2

Answer 12

The tendency of an object to resists a change in its motion

Example: Jolting forward when a car comes to a sudden stop