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Center of Gravity Toss—Demonstration Kit

By: The Flinn Staff

Item #: AP7066

Price: $16.65

With the Center of Gravity Toss Demonstration Kit for physical science and physics, effectively show that when an irregularly shaped object is thrown in the air, it follows a smooth parabola—just as Newton predicted.

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Product Details

Effectively show that the path of an irregularly shaped object, when thrown in the air, is a smooth parabola—just as Newton predicted! Locate the center of mass of the irregular foam object, and mark it with a Velcro® dot. Now toss and spin the object in the air. Students will easily observe parabolic path of the white dot as the object rotates around its center of gravity. This demonstration offers visual proof for two fundamental physical principles—the mass of an object can be assumed to be at the center of mass, and the center of mass obeys Newton’s laws of motion. The soft foam object is safe to throw without injuring students or damaging laboratory equipment. Includes a reproducible student worksheet and valuable Teacher Notes with instructions, tips and answers to student questions.

Concepts: Center of gravity, stability, Newton’s laws of motion, parabolic motion.
Time Required: 20 minutes
Materials Provided: Fishing sinker, foam shape, nail, binder clips, pushpins, string, Velcro dots, hooks.