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Physics · SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

हिन्दी

A constant torque of \( 25\text{ N}\cdot\text{m} \) is applied to a rotor rotating at an angular velocity of \( 40\text{ rad/s} \). The instantaneous power delivered by the torque is:

  1. A
    \( 500\text{ W} \)
  2. B
    \( 1000\text{ W} \)
  3. C
    \( 2000\text{ W} \)
  4. D
    \( 62.5\text{ W} \)
View Answer & Solution

Correct answer · Option B

\( 1000\text{ W} \)

Explanation

Instantaneous rotational power is given by \( P = \tau \omega = 25 \times 40 = 1000\text{ W} \).
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