In episode seven of the Shedding Light on Motion series, we answer the most important question that has ever been asked: how does a magician pull a tablecloth out from under a dinner set? No, seriously, we look at the so simple and yet so powerful equation F = ma. Newton’s Second Law tells us how to calculate the amount of force required to accelerate something by a given amount.

Streaming video file encoded with permission for digital streaming by Infobase on September 19, 2017.

Part A: Introduction (1:05); --Part B: Fnet= ma (10:30); -- Part C: Friction and Mass (4:37); -- Part D: Newton's Second Law of Car Motion (5:45); -- Part E: Free Fall Accelerate (10:53); -- Part F: Mass and Weight (6:30); -- Credits: Shedding Light on Motion: Episode 7— Newton's Second Law (0:22); .