Newtons first law of motion states that an object in motion will continue in a straight line unless disturbed by a force. Physics form 3 notes 10 this category contains physics form 3 notes as aggregated from the various high school approved text books, including klb,etc. Many of the most interesting problems in physics involve motion. It has developed over 34 years of teaching physics. Kinematics is the section of physics which studies the motions of objects without considering the effects that produce the motion. For linear motion we will assume a constant acceleration. Since changes are a result of the motion of material, often at the submicroscopic level, we start. Displacement x when an object is moved from one point to another it is said to be displaced. Speed and velocity both speed and velocity tell us how far something is travelling in unit time. Cbse class 9 science chapter 8 motion revision notes. The basics of linear motion and displacement and velocity. Velocity answers the question is the object moving now, and if so how quickly.
Physics notes class 11 chapter 5 laws of motion inertia the property of an object by virtue of which it cannot change its state of rest or of uniform motion along a straight line its own, is called inertia. System of particle and rotational motion is an important topic from jee main jee advanced exam point of view. It is a scalar quantity because no direction is involved. Notes on linear and nonlinear oscillators, and periodic waves b. Chapter 11a angular motion a powerpoint presentation by paul e. Displacement is a vector that represents the length and direction of an imaginary. This physics video tutorial provides a basic introduction into position time graphs, velocity time graphs and acceleration time graphs graphical analysis of linear motion. All other sciences are built on a knowledge of physics.
Kinematics displacement, velocity, acceleration, 1. According to newtons first law also known as the principle of inertia, a body with no net force acting on it will either remain at rest or continue to move with uniform speed in a straight line, according to its initial condition of motion. Note that these equations are valid when the acceleration is constant or can be. Class 11 physics revision notes for chapter 3 motion in a. Vector and scalar quantities there are five basic quantities or measurements used in linear motion. Conceptual physics textbook chapter 2 second edition, laboratory book and conceptdevelopment practice book. If we understand such a system once, then we know all about any other situation where we encounter such a system. Distance moved by a body in a specified direction is called displacement. While formulae can be used to calculate motion, it can be useful to visualize an objects motion by looking at a graph positiontime graphs show how position changes over time velocitytime graphs examine a changing velocity over time accelerationtime graphs look at acceleration over time. Kinematics is the section of physics which studies the. Linear motion planet holloway physics variables and simple definitions. Class 11 physics chapter 3 notes from vedantu will help you to understand the chapter. Motion in one dimension motion can be described in terms of position, velocity and acceleration. Understand the elements in the topic, linear motion, by watching this video.
Notes on linear motion physics from 4 lesson 1 compiled by pradeep kumar gc fizik smjk yu hua kajang 1 lesson 1 linear motion introduction linear motion is the motion a straight line and the movement in a direction where forwards is positive and backwards is negative. No matters what board you belong to, notes are beneficial for. Consider a body moving in a straight line from an initial velocity u to a final velocity vu, v. Linear motion refers to the motion of an object in a straight line. Notes of science class 9 cbse ncert pdf download chapter 8. The class 9 physics motion notes, which are available in pdf format, are useful for both preparations as well as revision.
Go to physics notes for class 11 of all 11 chapters in pdf to download. The acceleration of the car is a increased b decreased c zero d uniformly 2 deceleration means the velocity of an object is a negative b positive c increased d decreased 3 the following figure shows an object moves with a. Notes of science class 9 cbse ncert pdf download 8 motion 1 motion uniform motion and non uniform motion, acceleration and velocity a particle is a pointlike object, has mass but infinitesimal size. Linear motion preliminaries linear motion is motion in a straight line. It starts from rest and then moves with uniform acceleration. Any motion, which repeats itself in equal intervals of time is called periodic motion. Lecture notes on classical mechanics for physics 106ab sunil. Kinematics 15 periods relative motion motion in the same direction motion in opposite dir.
Class 11 physics revision notes for chapter 3 motion in. Stay tuned with byjus and learn various interesting physics topic with the help of engaging video lessons. Many people are afraid of physics because it relies heavily on mathematics, but dont let this deter you. After moving a distance of 100 m, it achieves a velocity of 120 m s1. The class 9 physics motion notes can assist the students in arming themselves well against the upcoming final examinations of the year. Notes of science class 9 cbse ncert pdf download chapter 8 motion. Need notes for all 11 chapters of 1st year physics. That is because the letters cover all the essential topics like newtons law of. Draw analogies relating rotationalmotion parameters, to linear x, v, a and solve rotational problems. Rotational velocity is how fast the object is turning. Physics igcse 2012 exam revision notes by samuel lees and adrian guillot 1. We can understand science in general much better if we understand physics.
As velocity is a vector it must also tell us what direction the object is travelling in. Accelerated motion, however, at this point we will treat them as if they are, because it is close enough, for now. Use graphical representations to determine quantities such as position, displacement, distance, velocity, and acceleration. If we more to dandenong we can say we have been displaced 32 km from melbourne, but to completely. Check out the physics files page for powerpoint notes from class. If no external for is acting on it, an object will, if stationary, remain stationary, and if moving, keep moving at a steady speed in the same straight line newtons 2nd law of motion.
Textbooks, laboratory manuals, demonstrations, worksheets and activities. Physics study guidelinear motion wikibooks, open books for. Physics class 11 chapter 3 is motion in a straight line which is an integral part of the kinematics. Linear motion 1d motion equations distance position x velocity v acceleration a equations to know. A property common to everything in the universe is change. Greater the mass of a body greater will be its inertia or viceversa.
Linear motion notes, graphs, and mathematics pdf by woods. The study notes include all past exam questions going back 35 years, including many ordinary level questions, solutions to most of the questions and a guide to how to answer the questions. Speed ms distance moved m time taken s velocity ms displacement change m time taken s acceleration acceleration tells us how rapidly something is changing velocity for instance, the. Position the position of an object is specified in relation to a reference point called the origin. These are the equations that describe an object in uniformly accelerated motion. These equations called equations of motion are summarised in the table below. Linear motion notes 1 dimension kinematics linear motion. We first solve the linear equations of motion for a particle moving in a circle at fixed speed as shown in the previous figure. Physics notes form 3 free download kcse revision notes pdf.
Motion of a particle along the circumference of a circle is called circular motion. For example, warty the woodchuck goes 10 meters towards a hole in the ground. Kinematics displacement, velocity, acceleration, 1 and 2dimensional motion source. In engineering we usually use metres m for physics dynamics, fluids etc, but mm for strengths stress etc. Lee roberts department of physics boston university draft january 2011 1 the simple oscillator in many places in music we encounter systems which can oscillate. We can divide vectors into parts called components, of which the vector is a sum. Note that each position coordinate may be positive or negative according. Use graphical methods to represent linear motion, including the construction of graphs showing. When teaching i use these notes photocopying two pages onto one and then using backtoback to save pages. Form three physics revision questions on all topics including linear motion, refraction of light, newtons law of motion, work, energy, power and machines current electricity ii, waves ii, electrostatics ii, heating effect of electric current, quantity of heat, gas laws and more. Linear motion miroslav mihaylov february, 2014 1 vector components vector ahas magnitude a and direction with respect to the horizontal.
Every year there are questions asked from this topic. The relative length of the vectors corresponding to the forces should be drawn to scale. Pdf linear motion explained with worked examples shefiu s. Lin 4 v d t, or d v t 3 substitute 2 into 3 and we get. Linear motion introduction linear motion is the motion a straight line and the movement in a direction where forwards is positive and backwards is negative. Displacement is the change in position and includes direction. Notes to the teacher students can draw freebody diagrams to illustrate forces acting on a sphere or a coin moving in a uniform circular motion. Choose your answers to the questions and click next to see the next set of questions. This pdf presentation covers linear motion as taught in a general physics class.
Physics is a quantitative science that uses experimentation and measurement to advance our understanding of the world around us. Honors physics endofyear movie project assignment is now available. Equations of motion for constant acceleration between two points. Motion is an important concept in physics which can be better understood by applying conceptual knowledge to solve problems. Feb 08, 2015 understand the elements in the topic, linear motion, by watching this video. It covers the entire physics form 3 syllabus, for the preparation of national and local exams. Lecture notes on classical mechanics a work in progress daniel arovas department of physics university of california, san diego may 8, 20. Linear motions, where the trajectory is a straight line. In kinematics forces causing motion are disregarded while dynamics deals with motion of objects and the forces causing them. Cpo physics textbook and laboratory book types of materials. You can skip questions if you would like and come back. Notes for simple harmonic motion chapter of class 11 physics.
If acceleration is not constant, the solution would require calculus or numerical methods computerbased approximation lecture notes. From this chapter, students will be able to learn about linear motion and its measurement and detailed technical insights. Lecture notes for college physics i contents 1 vector algebra 1 2 kinematics of twodimensional motion 2 3 projectile motion 5 4 newtons laws of motion 8 5 force problems 12 6 forces due to friction and uniform circular motion 16 7 newtons law of universal gravitation 20 8 workenergy theorem i 22 9 workenergy theorem ii 24. In each case, they should indicate the forces responsible for the centripetal force. Equations of motion quantitatively describe and predict aspects of linear motion. Average velocity average velocity instantaneous velocity and constant acceleration 1. Change is so important that the fundamental concept of time would be meaningless without it. Lecture notes on classical mechanics a work in progress. The slope of the graph represents the acceleration of the body. Unless otherwise stated, when we talk about speed of things in the environment, we will mean relative to the earths surface. Physics is the most basic of the living and nonliving sciences. In physics, a vector often describes the motion of an object. Physics notes, revision questions and answers esomake.
Notes of science class 9 cbse ncert pdf download 8 motion 1 motion uniform motion and non uniform motion, acceleration and velocity a particle is a pointlike object, has mass but infinitesimal size the objects position is its location with respect to a chosen reference point, in the diagram, the road sign the reference point. On figure 1 we chose the eastbound as a positive xdirection and the northbound as a positive ydirection so that the xand ycomponents a x and a y of the vector aare both positive. Kinematics of linear motion solved numericals physics 10th. Physics study guidelinear motion wikibooks, open books. Most physics concepts are expressed equally well in plain english and in equations.