Forces Review

Which of the following best describes "Force"?

• The resistance that one surface or object encounters when moving over another

• The gravitational pull on an object

• A push or pull on an object

• The tendency of an object to resist a change in motion

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-4

What is "Net Force"?

• The total force acting on an object

• The force of gravity on an object

• The resistance of air against an object

• The mass of an object times its velocity

Tags

NGSS.MS-PS2-2

Which term is defined as "the resistance that one surface or object encounters when moving over another"?

• Gravity

• Friction

• Inertia

• Weight

What is "Gravity"?

• The force that attracts a body toward the center of the earth

• The resistance of air against an object

• The tendency of an object to resist a change in motion

• The total force acting on an object

Which of the following is the definition of "Weight"?

• The resistance that one surface or object encounters when moving over another

• The gravitational pull on an object

• A push or pull on an object

• The tendency of an object to resist a change in motion

Tags

NGSS.MS-PS2-4

What does "Inertia" refer to?

• The resistance of air against an object

• The tendency of an object to resist a change in motion

• The total force acting on an object

• The force that attracts a body toward the center of the earth

What is "Air resistance"?

• The force that attracts a body toward the center of the earth

• The resistance of air against an object

• The total force acting on an object

• The gravitational pull on an object

Tags

NGSS.MS-PS3-5

Newton's First Law is also known as the Law of _______.

• Gravity

• Inertia

• Motion

• Acceleration

Newton's Second Law can be summarized by which formula?

• F = ma

• E = mc^2

• a = F/m

• F = mv

Newton's Third Law states that for every action, there is an equal and opposite _______.

• Force

• Reaction

• Motion

• Acceleration

Tags

NGSS.MS-PS2-1