# Kinematics robotics is described the movement of systems that

KinematicsKinematics is the branch of physics that studies motion of bodieswithout considering or analyzing forces and the causes of the motion. Kinematicsis often known as the “geometry of motion” and is often seen as abranch of mathematics and sometime as the branch of mechanics.

Using contretempsfrom geometry, the velocity, acceleration and speed of any section of thesystem that are unknown for us can be firmly determined by not changing it. Kineticsis the study of how bodies fall within it.Inmany situations, kinematics is used in astrophysics. Astrophysics isthe branch of astronomy that deals with the stars and other celestial bodies.

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In biomechanics kinematics and robotics is described the movement ofsystems that made of connected parts which is called multi-linked-systems suchas the human skeleton, a machine that it’s part are moving or the roboticarm.Geometrictransformations, are also called rigid transformation (a transformationthat doesn’t change its shape or its size), which are used for describing, ina mechanical system, the movement of components, making it to obtain somethingfrom a source of the equations of motion making it simpler or easier tounderstand. Furthermore, they are central to dynamic analysis too. Kinematicanalysis operates the rate of the kinematic amount that is used to reportmotion. In engineering, for example, kinematic analysis can be used finding therange of motion for a specified mechanism, and working in the opposite way,using kinematic synthesis to create a mechanism for a wanted range ofmovement. Furthermore, kinematics uses algebraic geometry to studythe mechanical superiority of a mechanism or mechanical system.

Kinematics of a particle trajectory in a non-rotating frame ofreference Mass is also expressed m, positionis also expressed r, velocity is also expressed v,acceleration is also expressed a are classical particles of kinematic quantities. Thestudy of the trajectory of a piece of matter is called Particle kinematics .The location of a piece is determined as the coordinate vector from the placewhere the coordinate frame begins, to the particle. For instance, imagine abuilding that is 60 m South from your own house, which at your house is foundthe coordinate frame, in a such way East is the x-direction and North is they-direction, then the coordinate vector to the base of the building is r =(0, ?50, 0). Often,a three-dimensional coordinate system is used to determine the location of a molecule.Anyways, if the molecule is compelled to move in a place, a two-dimensionalcoordinate system is enough.

All examinations in physics are not completedwithout those examinations being reported with respect to a reference frame.Thelocation of a vector of a molecule is a vector drawn from the place where itbegins of the reference frame to the molecule. It shows both, the distance ofthe location from the origin and its way from the from the beginning place. The direction cosines (any of the cosines ofthe three corners between a controlled line in an area) of the location ofthe vector make available for use a quantitative measure of way.

It isimportant to see that the location of the vector of a particle isn’t special.The position vector of a given molecule is unlikely relative to unlikely framesof reference. Velocity and speedThe velocity ofa molecule is a vector quantity that reports the way of the motion and themagnitude of the motion of molecule. More mathematically, the rate of transformationof the position vector of a point, with respect to time is the velocity of thepoint. Think the ratio of the contrast of two positions of a molecule splat by thetime interval, which is the average velocity over that time interval.

Velocityis ratio of the path that a body does in the time that it completes the path. Also,the velocity is tangent to the trajectory of the molecule at every position theparticle settles along its path. See that in a non-rotating frame of reference,the derivatives of the coordinate ways aren’t examined as their locations andmagnitudes are constants.Thespeed of a thing is the magnitude |V| of its velocity. AccelerationThevelocity vector can alter in direction and in magnitude or both at the sametome. Acceleration is the change of the speed in a rate of time. The samereasoning used with respect to the location of a molecule to determinevelocity, can be applied to the velocity to determine acceleration. The acceleration ofa molecule is the vector determined by the rate of alteration of the velocityvector.

The average acceleration of a molecule over a time interval is determinedas the ratio. To find acceleration we use this formulae:       Uniform Motion and Non-Uniform Motion Uniform Motion and Non-Uniform MotionUniform Motion and Non-Uniform MotionUniform Motion and Non-Uniform MotionUniform Motion and Non-Uniform MotionUniform Motion and Non-Uniform MotionUniform Motion and Non-Uniform MotionUniform Motion and Non-Uniform MotionUniform Motion and Non-Uniform MotionUniform Motion and Non-Uniform MotionUniform Motion and Non-Uniform MotionUniform Motion and Non-Uniform MotionUniform Motion and Non-Uniform MotionUniform Motion and Non-Uniform Motion Uniform Motion:Definition: Uniform motion is determined as the movement of a thing inwhich the object travels in a straight line and its velocity is leftconstant along that line as it encloses equivalent distances same intervals oftime, regardless of the length of the time.    Example:1.Ifthe speed of a bus is 20m/s so the bus will do 20 meters is one second. Thespeed is uniform after every second.

2.Themotion of the blades in a fan.  Non-UniformMotion:Definition: NonUniform motion is determined as the movement of a thing in which the objecttravels with varied speed and it doesn’t enclose same distance in equal timeintervals, irrespective of the time interval length.  Example:1.A bus moving 16 meters in first two second and 26meters in the next two seconds.2.The motion of an airplane.

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