Instructional Video
Sophia Learning

Sophia: Interaction Between Objects: Lesson 2

9th - 10th
This lesson introduces the concept of action and reaction forces and explains how they can be observed. It is 2 of 2 in the series titled "Interaction Between Objects."
Instructional Video
Sophia Learning

Sophia: Introduction to Tension: Lesson 2

9th - 10th
This lesson introduces the concept of tension. It is 2 of 2 in the series titled "Introduction to Tension."
Instructional Video
Sophia Learning

Sophia: Normal Force & Acceleration: Lesson 2

9th - 10th
This lesson explains what the acceleration of an object experiencing a normal force is. It is 2 of 2 in the series titled "Normal Force & Acceleration."
Instructional Video
Sophia Learning

Sophia: Normal Force & Mass: Lesson 2

9th - 10th
This lesson demonstrates how normal forces can be used to find the mass of an object. It is 2 of 2 in the series titled "Normal Force & Mass."
Instructional Video
Sophia Learning

Sophia: Rotational Inertia & Newton's First Law of Motion

9th - 10th
This lesson explains how Newton's first law of motion and rotational inertia are related.
Instructional Video
Sophia Learning

Sophia: The Law of Inertia in Action: Lesson 1

9th - 10th
This lesson demonstrates how the law of inertia can be used to understand the motion of objects. It is 1 of 2 in the series titled "The Law of Inertia in Action."
Instructional Video
Sophia Learning

Sophia: Force & Acceleration: Lesson 1

9th - 10th
This lesson explains why force and acceleration are directly proportional. It is 1 of 2 in the series titled "Force & Acceleration."
Instructional Video
Sophia Learning

Sophia: Forces & Motion: Lesson 1

9th - 10th
This lesson explains how forces affect the motion of objects. It is 1 of 2 in the series titled "Forces & Motion."
Instructional Video
Sophia Learning

Sophia: Friction & Net Force: Lesson 1

9th - 10th
This lesson explains how friction is part of the net force acting on an object. It is 1 of 2 in the series titled "Friction & Net Force."
Instructional Video
Sophia Learning

Sophia: Newton's First and Second Laws of Motion: Lesson 2

9th - 10th
This lesson explains how Newton's first and second laws of motion are related. It is 2 of 2 in the series titled "Newton's First and Second Laws of Motion."