Motion

Circular Motion

Circular motion: Angular displacement: When a particle is in circular motion about an axis or centre, the angle described by the radius about the axis or centre is called angular displacement. A particle rotates in a circular path of radius r about the centre O. The particle moves from A to B through the circumference […]

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Graph

Displacement – time graph: 1. The slope of displacement – time graph gives velocity. A and B are two points on the graph and AC is parallel to x axis and BC is perpendicular to AC. The change in displacement is BC = and the change in time is AC = . The slope of

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Types of Motion

TYPES OF MOTON: (i) Translation motion: A body has translation motion if a line joining any two points on the body remains parallel to itself throughout the motion of the body. (a) Rectilinear motion: When the translation motion takes place along a straight line then the motion is called rectilinear motion. Example – A ball

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Frame of Reference

FRAME OF REFERENCE: The fixed point or place with respect to which the position, velocity, acceleration etc. of another body or an object is measured is known as frame of reference. TYPES OF REFERENCE FRAME: There are three types of coordinate systems to represent the reference frame. 1. Cartesian coordinate system, 2. Cylindrical coordinate system,

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