Asked in PMC Practice Test 30 (2021) 2021Moderate

If angular velocity increases, _ also increases

Correct answer: B. Frequency

  • A. Time period
  • B. Frequency
  • C. Vibration
  • D. None of these

Explanation

Option B is correct since there exists a direct relationship between angular velocity and frequency and it is given by the following formula: angular velocity is equal to the product of the frequency and the constant 2pi. The constant 2pi comes from the fact that one revolution per second is equivalent to 2pi radians per second.

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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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