Kinematics Lec_16 : I Rain-Man Problem I Relative Motion 2-D I
OPsAcademy #NEET #JEEMains #Board_Exam #Kinematics's #MotionInPlane #Relative_velocity_plane ~~~~~~~~~~~Contents Relative Motion in 2-D~~~~~~~~~~~ **Introduction **Change of frame **Analysis of Relative Motion in 2-D **Examples ** By Changing the frame of reference Velocity, Acceleration and displacement will may changed **Relative Motion: Relative motion is the calculation of the motion of an object with regard to some other moving object. or some other frame of reference. Thus, the motion is not calculated with reference to the earth, but is the velocity of the object in reference to the other moving object as if it were in a static state. **A frame of reference is nothing but a set of coordinates that can be used to determine positions and velocities of objects in that frame; different frames of reference move relative to one another. Simply put, when you are standing on the ground, that is your frame of reference **Motion in Plane **Analysis of Uniform Motion in Plane Projectile Motion **Analysis of Projectile Motion **Equation Derive from Projectile Motion If a particle is free to move in a plane, its position can be located with two coordinates. Motion in a plane is also referred to as a motion in two dimensions. For example, circular motion, projectile motion etc. *******************Projectile Motion****************** When a particle is thrown obliquely near the earth's surface, it moves along a curved path. Such a particle is called a projectile and its motion is called projectile motion. **A framework that is used for the observation and mathematical description of physical phenomena and the formulation of physical laws, usually consisting of an observer, a coordinate system, and a clock or clocks assigning times at positions with respect to the coordinate system ~~~~~~~~~~~MOTION IN A STRAIGHT LINE~~~~~~~ When a particle is constrained to move on a straight line, the description becomes fairly simple. **Note: If the velocity and the acceleration are both positive, the speed increases. If both of them are negative then also the speed increases but if they have opposite signs, the speed decreases. ~~~~~~~~~~~~UNIFORM MOTION~~~~~~~~~~~~~~ A particle is said to be in uniform motion if it covers equal displacements in equal intervals of time, however small these intervals may be. **Key Point Uniform Motion: *Uniform motion is a straight line motion with constant velocity. *In uniform motion displacement and distance are equal *The average and instantaneous velocities have same values in uniform motion. *No net force is required for an object to be in uniform motion. *The velocity in uniform motion does not depend upon the time interval. *The velocity in uniform motion is independent of choice of origin **Acceleration It is the rate of change of velocity with respect to time and the motion of an object is said to be accelerated motion if its velocity changes with time. **Acceleration is also defined as second time derivative of position **Acceleration is a vector quantity. It can be positive, zero or negative **Negative acceleration is also known as retardation or deceleration. Deceleration and acceleration have opposite directions. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ / opsacademy.m Instagram: / opsacademy.m Email: [email protected] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Lec_82 • Kinematics Lec_2 : Displacement Vs Distanc... (Important terminology of Kinematics) Lec_80 • Physics & Maths Lec_10 : Concept Based Pro... (Fundamentals problem of calculus) Lec_81 • Kinematics Lec_1 : Introduction of Kinemat... (Introduction of Kinematics) Lec_82 • Kinematics Lec_2 : Displacement Vs Distanc... (Displacement Vs Distance I Velocity Vs Speed ) Lec_83 • Kinematics Lec_3 : Equation of Straight Li... (Equation of Straight Line Motion for Constant Acceleration) Lec_84 • Kinematics Lec_4 : JEE MAINS I NEET I Prev... (Free Falling Body) Lec_85 • Kinematics Lec_5 : Assumptions for Free fa... (Assumptions for Free falling Body I Sign convention I Kinematics Equations) Lec_86 • Kinematics Lec_6 : Previous Years question... (Previous Years question on Free falling Body) Lec_87 • Kinematics Lec_7 :Relative Velocity I Prev... (Relative Velocity I Previous Years Problems on Relative Velocity) Lec_88 • Kinematics Lec_8 : JEE Advance Problems I ... (JEE Advance Problems I relative Velocity I Straight Line Motion) Lec_89 • Kinematics Lec_9 : Motion in Plane I Proje... (Motion in Plane I Projectile Motion I Examples) Lec_90 • Kinematics Lec_10 : JEE Mains I Previous Y... (JEE Mains Previous Years Papers Solution) Lec_91 • Kinematics Lec_11 : NEE I Previous Years Q... (NEE I Previous Years Question I Projectile Motion) Lec_92 • Kinematics Lec_12 : I Projectile Motion fr... (Projectile Motion from Height) Lec_93 • Kinematics Lec_13 : I Projectile Motion on... (Projectile on an inclined plane) Lec_94 • Kinematics Lec_14 : I Radius of Curvature ... ( Radius of Curvature of Projectile Trajectory ) Lec_95 • Kinematics Lec_15 : I Relative Motion 2-D ... (JEE/NEET Lec_95: I Relative Motion 2-D I Relative Velocity , Acceleration & Relative Displacement I)
