Koala

41. Koala

1. The pulley is frictionless.

2. There is friction between the koala and the rope,
and therefore the koala can grip the rope.

3. Assume the rope has no mass, and that it doesn't matter
how much rope is on either side of the pulley.

4. The rope is inextensible.

5. The koala climbs and does not swing on the rope.

The coordination of actions and sounds has long baffled neuroscientists.

Good hearing or good body movement is not enough to keep a beat.

Attaining super-synchronization abilities through practice is still unclear.

McGill University

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