MHT-CET : Physics Entrance Exam

### MHT - CET : Physics - Circular Motion Glossary

 ·         Uniform Circular Motion: Motion of a body with constant speed along the circumference of a circle. ·         Non-uniform Circular Motion: Motion of a body with variable speed along the circumference of a circle. ·         Position Vector or Radius Vector: The vector drawn from the centre of the circle to the position of the particle performing circular motion. ·         Angular Displacement: The change in the angular position of a particle with respect to some reference line. ·         Angular Speed: The rate at which the angle is traced by the radius vector w.r.t. time. ·         Angular Velocity: The rate at which angular displacement takes place w.r.t. time. ·         Angular Acceleration: Rate of change of angular velocity w.r.t. time. ·         Period (T): The time by the particle to complete one revolution. ·         Frequency of Revolution (n): The number of revolutions made by the particle in one second. ·         Centripetal Force: The force acting on a body in circular motion directed radially towards the centre. ·         Centrifugal Force: The radial force directed away from the centre of the circle and acting on a body in a rotating frame of reference. ·         Banking of Roads: To ensure the safety of a moving vehicle, the surfaces of curved roads are made inclined to the horizontal with the outer edge at a higher level than the inner edge. This is called banking of roads.

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