CBSE Class 9 Answered
Definition of angular velocity with example and with diagram
Asked by md775016 | 04 Mar, 2018, 17:09: PM
Expert Answer
As shown in figure, let a particle moves in a circular motion. Let at time t1 the angular position be φ1 and later at tme t2 the angular position is φ2. The angular displacement Δφ = φ2 - φ1 during the time interval t2 - t1.
We define the average angular velocity ωav of paticle in this time interval as
The instantaneous angular velocity ω is the limit approached by this ratio as Δt approaches zero :
Answered by Thiyagarajan K | 05 Mar, 2018, 16:54: PM
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