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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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