Round 2: Tossup 11

If this statement holds, the standalone M1, M2, and M3 terms on the right-hand sides of Euler’s equations all vanish to zero. Universally, this statement is implied by the fact that all four fundamental forces are central forces. Precession that is not “induced” by a force occurs because this statement (15[1])holds while the direction (15[1])of (-5[1])omega changes. (15[1])Isaac Newton showed (15[1])that this statement implies orbits sweep out equal (*) areas in equal times (10[1])in his proof of Kepler’s (10[1])second law. This statement, which holds for systems with no net (-5[1])external torque, explains why ice skaters spin faster upon drawing in their arms. For 10 points, name this law stating that the quantity “I omega” stays constant. ■END■ (10[1]0[1])

Back to tossups

Buzzes

Summary