IP Physics Notes (Upper Secondary, Year 3-4): 4) Turning Forces

Q: What does IP Physics Notes (Upper Secondary, Year 3-4): 4) Turning Forces cover?
A: Apply the moment formula, balance clockwise and anticlockwise torques, locate the centre of gravity, and judge stability in real levers.

Quick recap -- A turning effect appears when a force acts with an offset from a pivot. Balance comes from matching clockwise and anticlockwise moments while keeping the net force zero.

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Moment of a Force

• The moment (torque) of a force measures its turning effect about a pivot: $\tau = F d_\perp$, where $d_\perp$