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The dimensional formula of torque is

1. [ML²T⁻²]
2. [MLT⁻²]
3. [ML²T⁻²]
4. [MLT⁻²]

Correct answer: [ML²T⁻²]

Solution

Torque equals force × perpendicular distance. Since force has dimensions [MLT⁻²] and distance has [L], torque becomes [ML²T⁻²].

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