CONCEPT: If initial velocity (u) is antiparallel to the acceleration (a) of the body, then the motion is retarded first and then accelerated. Example: A ball is thrown vertically upwards with initial speed u. The time taken by the ball to travel maximum height is = . If the given time t < , then […]
Explore MoreDistance: The length of the actual path travelled by a particle between the initial and final position of it in a given interval of time is called distance. Distance is the scalar quantity. SI unit of distance is meter (m) and dimension is [L]. Displacement: The shortest distance travelled by a particle between the initial […]
Explore MoreTypes of motion: 1. 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 […]
Explore MoreFRAME 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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