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Challenge level: Challenge Level:1 Challenge Level:2 Challenge Level:3

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Broad Topics > Mechanics > Equilibrium of a particle

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Building up Friction

Stage: 5 Challenge Level: Challenge Level:2 Challenge Level:2

A series of activities to build up intuition on the mathematics of friction.

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Uniformly Unstable

Stage: 5 Challenge Level: Challenge Level:1

Invent shapes with different numbers of stable and unstable equilibrium points

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Hold Still Please

Stage: 5 Challenge Level: Challenge Level:1

Can you arrange a set of charged particles so that none of them start to move when released from rest?