I thought I’d put this up because it’s a wonderful example of perseverance for no obvious reason, and it has a good explanation of angular momentum. This is relevant to us in as much as it explains why adding a heavier counterweight to a pickup arm reduces the effective mass.
Perseverance and angular momentum.
- shane
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#1 Perseverance and angular momentum.
The world looks so different after learning science. For example, trees are made of air, primarily. When they are burned, they go back to air, and in their flaming heat is released the flaming heat of the Sun which was bound in to convert air into tree.