Unit 3 Gravity, Magnetic, and Newton's Laws

What is a push or a pull?

• Labor

• Force

• Net Force

• Friction

Tags

NGSS.MS-PS2-1

What is the force that opposes the sliding motion of two surfaces that are touching each other?

• Force

• Net Force

• Labor

• Friction

What is the gravitational force exerted on an object?

• Gravity

• Field

• Weight

• Force

Tags

NGSS.MS-PS2-2

What does the statement, "An object moving at a constant velocity keeps moving at that velocity until acted on by an unbalanced force.", indicate?

• Newton's First Law

• Newton's Second Law

• Inertia

• Newton's Third Law

This statement indicates that, "When an object exerts a force on a second object, the second object exerts an equal but opposite force on the first."

• Newton's First Law

• Newton's Second Law

• Inertia

• Newton's Third Law

Tags

NGSS.MS-PS2-1

What is the tendency of an object to resist any change in its motion

• Newton's First Law

• Inertia

• Free Fall

• Newton's Third Law

What is the friction like force that opposes the motion of objects that move through air?

• Gravity

• Free Fall

• Air Resistance

• Centripetal Force

What is a force exerted toward the center of a curved path?

• Centripetal Force

• Air Resistance

• Inertia

• Free Fall

A book lying on your desk will only move if:

• An unbalanced force acts on it

• A downward force acts on it

• A normal force acts on it

• A friction force on it is reduced

Tags

NGSS.MS-PS2-2

How is the mass of passengers in a car related to their inertia?

• Passengers with less mass have more inertia

• The inertia decreases with each passenger that enters the car

• Passengers with greater masses have more inertia

• Passengers with medium mass have more inertia.