Circular Motion Grade 10 PDF

Summary

These lecture notes cover the topic of circular motion in physics for grade 10. They discuss concepts such as uniform circular motion, tangential velocity, and centripetal force. The notes also include examples and illustrations to enhance understanding.

Full Transcript

Circular Motion Physics – Grade 10 T. Salam Najjar - KFS Circular Motion T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS What Is Uniform Circular Motion? The movement of a body following a circular path is called a circ...

Circular Motion Physics – Grade 10 T. Salam Najjar - KFS Circular Motion T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS What Is Uniform Circular Motion? The movement of a body following a circular path is called a circular motion. Now, the motion of a body moving with constant speed along a circular path is called Uniform Circular Motion. Here, the speed is constant but the velocity changes. NOTE So, if a particle is moving in a uniform circular motion: 1) Its speed is constant 2) Velocity is changing at every instant T. Salam Najjar - KFS T. Salam Najjar - KFS Warm Up Activity: By using the dot structure, Represent the motion of a car moving at constant velocity. Represent the motion of a car moving at a uniform circular motion. Represent the motion of a car moving at a non - uniform circular motion. T. Salam Najjar - KFS T. Salam Najjar - KFS Revolution and Rotation T. Salam Najjar - KFS Revolution and Rotation Choose the word that best completes the sentence below: The Earth (revolves or rotates) around the sun once every 365 days, and (revolves or rotates) its geographical poles once every 24 hours. T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS Tangential velocity A tangent is simply a line that touches a non-linear curve (like a circle) at only a single point. Tangential velocity explains the motion of an object along the circle’s edge whose direction is always at the tangent to any given point on the circle. T. Salam Najjar - KFS Centripetal Force (Fc) Centre Seeking Force Centripetal Force: A force that causes uniform circular motion of a body and it’s directed towards the centre of the circle is known as centripetal force. Similarly, Planets revolve around Sun and the gravitational force between the planet and sun provides the necessary centripetal force for the revolution of the planets. T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS Notice the direction of Fc, Vt, and ac on the picture below: T. Salam Najjar - KFS T. Salam Najjar - KFS Formulas T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS T. Salam Najjar - KFS

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