Asked in PMC Practice Test 7 (2021) 2021Moderate

For clockwise rotations direction of angular velocity is

Correct answer: B. Negative

  • A. Positive
  • B. Negative
  • C. Zero
  • D. Infinite

Explanation

By convention, anticlockwise movement is considered positive angular velocity and clockwise rotation is considered negative angular velocity.

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About Angular Velocity

Angular velocity describes how quickly angular displacement changes with time, with ω = Δθ/Δt and units of radians per second. Questions relate angular and linear motion through v = rω, use the direction given by the right hand rule, and distinguish angular velocity from angular acceleration and ordinary frequency.

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