Instructional Video
Bozeman Science

Bozeman Science: Newton's Second Law

9th - 10th
In the following video Paul Andersen explains how Newton's Second Law applies when a net force acts on a body. The net force vector and the acceleration vector will act in the same direction. If an object acts on another object in a...
Instructional Video
National Science Foundation

National Science Foundation: Science of the Winter Olympics: Blade Runners

9th - 10th
Explains how Newton's Three Laws of Motion are expressed in the context of speed skating. [4:17]
Instructional Video
Khan Academy

Khan Academy: Inclined Planes and Friction: Static and Kinetic Friction Example

9th - 10th
In this video lecture, the topics of static and kinetic friction are explored with examples. The video discusses free-body diagrams and the forces that affect the movement of objects. [9:49]
Instructional Video
Khan Academy

Khan Academy: Starting With Particles

9th - 10th
This video [4:36] will first explore a single particle under the influence of gravity. Click the link to check out the Effects lesson.
Instructional Video
Khan Academy

Khan Academy: Yo Yo in Vertical Circle Example

9th - 10th
In this video, David from Khan Academy explains how to find the tension in a string that is whirling a yo-yo in a vertical circle. [10:30]
Instructional Video
Khan Academy

Khan Academy: Mass Swinging in a Horizontal Circle

9th - 10th
In this video, David from Khan Academy explains how to solve for the tension and speed of a mass swinging at an angle in a horizontal circle. [12:38]
Instructional Video
Khan Academy

Khan Academy: Centripetal Force Problem Solving

9th - 10th
In this video, David from Khan Academy gives some problem solving strategies for centripetal force problems and explains many common misconceptions people have about centripetal forces. [14:59]
Instructional Video
Khan Academy

Khan Academy: Bowling Ball in Vertical Loop

9th - 10th
In this video, David from Khan Academy explains how to find the normal force on a bowling ball rolling in a vertical loop. [8:48]
Instructional Video
Khan Academy

Khan Academy: Deriving Displacement as Function of Time, Accel, Initial Velocity

9th - 10th
Sal Khan discusses deriving displacement as a function of time, constant acceleration, and initial velocity in this video. [9:57]
Instructional Video
Khan Academy

Khan Academy: Tension in an Accelerating System and Pie in the Face

9th - 10th
In this video, Sal Khan figures out the tension in the wire connecting the two masses. Then he figures out how much we need to accelerate a pie for it to safely reach a man's face. [9:28]
Instructional Video
Sophia Learning

Sophia: Mass & Acceleration: Lesson 2

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

Sophia: Weight & Acceleration: Lesson 2

9th - 10th
This lesson demonstrates how to use weight to determine the acceleration of an object. It is 2 of 2 in the series titled "Weight & Acceleration."