chapter 2 lesson 1.2

Question 1

A push or pull on an object is called ______

Answer 1

force

Question 2

A ___________ is a push or a pull on one object by another that is pushing it

Answer 2

contact force

Question 3

A force that one object can apply to another object without touching it is a __________ force

Answer 3

noncontact force

Question 4

__________ is an attractive force that exists between all objects that have mass

Answer 4

gravity

Question 5

_________ is the amount of matter in an object

Answer 5

mass

Question 6

___________ is the gravitational force exerted on an object

Answer 6

weight

Question 7

___________ is force that resists the motions of two surfaces that are touching

Answer 7

friction

Question 8

the combination of all the forces acting on an object is __________

Answer 8

net force

Question 9

forces acting on an object that combines and form a net force of zero are _________ forces

Answer 9

balanced forces

Question 10

forces acting on an object that combines and forms a net force that is not zero or __________ forces

Answer 10

Unbalanced forces

Question 11

according to _______________ if the net force on an object is zero, the motion of the object does not change

Answer 11

Newton’s first law of motion

Question 12

__________ the tendency of an object to resist a change in its motion is called ________

Answer 12

inertia

Question 13

___________ forces cause an object to move

Answer 13

Unbalanced

Question 14

According to ____________ if the net force On an object is zero, the object’s motion does not change

Answer 14

newtons, first law of motion

Question 15

_________ is the property that resist a change in the motion of an object

Answer 15

Inertia

Question 16

When two forces acting on an object in the opposite directions combine the _________ is the same direction as the larger force
The strength of the ________ is a sum of positive and negative forces.

Answer 16

net force

Question 17

Forces can be even contact, such as karate chop
or noncontact such as gravity
Each type is described by its _________ and _________

Answer 17

strength and direction

Question 18

Gravity forces that act between two objects that have _____
The attraction is stronger for objects with greater ______

Answer 18

mass

Question 19

_______ can reduce the speed of objects sliding past each other
Air resistance is a type of fluid _______ that slows the speed of a falling object

Answer 19

Friction