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Conserved, or not conserved?

Exercise and reference answers

Items
  1. Item
    Angular momentum
    Category
    Conserved
  2. Item
    Total mechanical energy
    Category
    Conserved
  3. Item
    Kinetic plus potential energy
    Category
    Conserved
  4. Item
    Linear momentum
    Category
    Not conserved
  5. Item
    The product of mass and velocity
    Category
    Not conserved
Categories
  1. Item
    Conserved
  2. Item
    Not conserved

Explanation

Under gravity, angular momentum and total mechanical energy are conserved, but linear momentum is NOT. Source: syllabus Physics, Ch 7 Gravitation.
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