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Angular Velocity Video Lecture | Physics for EmSAT Achieve
FAQs on Angular Velocity Video Lecture - Physics for EmSAT Achieve
| 1. What is angular velocity? |  |
Ans. Angular velocity is the rate of change of angular displacement of an object with respect to time. It is a vector quantity that represents how fast an object is rotating around a specific axis.
| 2. How is angular velocity calculated? | |
Ans. Angular velocity is calculated by dividing the change in angular displacement by the time taken for that change. The formula for angular velocity is ω = Δθ / Δt, where ω is the angular velocity, Δθ is the change in angular displacement, and Δt is the time taken.
| 3. What are the units of angular velocity? | |
Ans. The SI unit of angular velocity is radians per second (rad/s). Other common units include revolutions per minute (RPM) and degrees per second (°/s).
| 4. How does angular velocity differ from linear velocity? | |
Ans. Angular velocity is a measure of how fast an object is rotating around an axis, while linear velocity is a measure of how fast an object is moving in a straight line. Angular velocity is a vector quantity, while linear velocity is a scalar quantity.
| 5. What is the relationship between angular velocity and linear velocity? | |
Ans. The linear velocity of a point on a rotating object is equal to the product of the angular velocity and the radius of the circle described by that point. This relationship is given by the formula v = ωr, where v is the linear velocity, ω is the angular velocity, and r is the radius.
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Sep 05, 2025
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