Torque applied is masimum when the angle between the directions of vectors r and F is

(A) 90°

(B) 180° 

(C) 0° 

(D) 45°

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1 Answers

Correct option is: (A) 90°

Torque = \(\overrightarrow r \times \overrightarrow F\)

\(\tau = r \ F sin \ \theta\)

.\(\because \ \theta = 90^\circ \)

\(\tau_{max} = r \ F \ sin 90^\circ\)

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