Phil explains and illustrates Newton's first law of motion and angular momentum using a 20 kg weight. In the experiment, they are having trouble spinning the weight fast enough. They eventually spin it fast enough that it doesn't topple over immediately.

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Through a cartoon movie, Beakman explains why your stomach feels weird on a roller coaster and why the biggest hill is the first one. He hangs a bowling ball from the ceiling with a cable and then swings the ball to squish a watermelon (energy in and energy out). He then puts himself where the watermelon was and shows that the ball can't swing any farther than the point at which he lets go. Beakman goes on to explain that centripetal force prevents us from falling out of the roller coaster and demonstrates it. He uses a tray containing a glass of milk and a cupcake and quickly spins it around to show that nothing falls off. He then explains why inertia keeps us from falling to the ground and brings all of the concepts together.

Homer slicks the floor with oil in an attempt to injure himself at work. Due to the significantly reduced friction, he stays in motion at the same speed and direction, thus failing to harm himself.

Wile E. Coyote attempts to knock out the roadrunner with a spring loaded punch. His attempt backfires, and the direction of the punch's force is somehow reversed. This clip illustrates a violation of the conservation of momentum.