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Kyle Kanos
Kyle Kanos
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Take moments about o Radius$o$.

Radius drawn up to the point of contact is always perpendicular to the tangenttangent.

enter image description here Take moments about o Radius drawn up to the point of contact is always perpendicular to the tangent

enter image description here

Take moments about $o$.

Radius drawn up to the point of contact is always perpendicular to the tangent.

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user176728
user176728
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enter image description here Take moments about o Radius drawn up to the point of contact is always perpendicular to the tangent