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**Kinematics 2D - Projectile Motion - Lecture 1 - Class 11 Physics - IIT JEE Main & Advanced 2020/21**

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Class 11 Physics India. Vector basics. Intro to vectors and scalars Opens a modal. Recognizing vectors Opens a modal.

Recognizing vectors practice Opens a modal. Equivalent vectors Opens a modal. Components of vectors Opens a modal. Components of vectors example 2 Opens a modal. Equivalent vectors. Components of vectors. Magnitude of vectors. Vector magnitude from graph Opens a modal. Vector magnitude from components Opens a modal. Scalar multiplication. Scalar multiplication of vectors Opens a modal.

Analyzing scalar multiplication Opens a modal. Analyze scalar multiplication.

Vector addition and subtraction. Graphically subtracting vectors Opens a modal. Combined vector operations. Combined vector operations Opens a modal. Vector operations review Opens a modal. Unit vectors. Unit vectors intro Opens a modal. Worked example: finding unit vector with given direction Opens a modal.

Worked example: Scaling unit vectors Opens a modal. Magnitude and direction form of vectors. Vector forms review Opens a modal. Direction of vectors. Component form of vectors. Vector magnitude and direction review Opens a modal.

Adding vectors in magnitude and direction form. Applications of vectors.Physics is a lovely subject but can also be quite difficult to master. One of the most critical subjects in science is Physics as it deals with the various properties of matter and nature. It forms the base for many scientific subjects that students take later in life. We have laid out the chapters in such a way that they can be downloaded directly to your computer.

You have the option of downloading either the entire syllabus or each chapter separately. The solutions contain all the chapters laid out and answered by our panel of expert teachers. With many years of expertise on board-issued textbooks, they mark out important questions and give you tips on how to solve them.

It is essential that you have a good grasp on a subject like Physics as it includes plenty of formulae and fundamental concepts that form the base for your CBSE 12th grade syllabus. With the NCERT Physics class 11 solutions, you can perform better in your class and gain the necessary confidence to tackle your final year in school. Since Physics comes with different concepts, you are at liberty to give greater attention to the more important ones. By solving different types of problems, you get quicker at answering difficult questions.

They say that practice makes perfect. Our solution gives you ample practice to help you approach any problem with ease. Any changes made to the syllabus by the National Board is immediately identified, and the solution is updated for the same. Physics is a subject that forms one of the core elements of engineering, a route that a lot of students studying it in 11 naturally take.

It is essential that you get your basics right and tackle more challenging problems later on. They have been teaching the subject for many years and understand the type of questions which have a higher chance of occurring in the examinations. The solutions are also updated according to the latest syllabus of the different subjects that are made at the beginning of the year. This chapter will help you to build a concrete foundation which in turn can help you learn further concepts of physics and its various dynamics.

Different kinds of topics related to different physical forces i. This chapter will clear your concepts about what is a unit, base units, derived units, system of units and much more. It will help immensely help you to understand what is the need and value international system of units and how are they decided. Various methods such as parallax method, parallax angle and other methods to measure length.

One shall also learn on alternative methods to measure length and estimation of very small distances like the size of a molecule. This chapter is a part of the Kinematics and is a very interesting one. In junior classes, we all have learned about motion and its fundamental properties. However, in this topic, you will get to know about rectilinear motion and its measurement having a detailed and technical vision. In the chapter, motion in a straight line, you will learn about the frame of reference, reference point, what is called as path length, magnitude of displacement, relative velocity, instantaneous velocity, acceleration, retardation, etc.

In this chapter, you will learn how to measure motion in a plane and what are scalar and vector quantities. Diagrammatic representation of Derivative laws of the addition of scalar and vectors are explained in this chapter. Topics like Position and displacement vector, multiplication of vectors by real numbers, equality of vectors, addition and subtraction of vectors through a graphical method, resolution of vectors and addition of vectors through an analytical method are some of the primary topics explained in this chapter.

You have learned about the motion of a particle in space in some of the previous chapter and this chapter will move you ahead of the same.

### Kinematics - PowerPoint PPT Presentation

You will learn topics like how bodies move, factors that act on them, direction of force and their corresponding motion, effect of gravitation and others are explained clearly in this chapter. Since ancient times, famous physicists have studied about motion.Published on Mar 28, Nanotechnology: The Smaller The Stronger. Wireless Energy: The Future of Electricity.

Use of Magnetic Levitation for an Elevator. Creating Electric Current with a Magnet. Quantifying the Effect of Skyglow on the Visibility of Stars. Quantifying the Effect of Tungsten Illumination. Radioactive Attenuation and the Inverse Square Law. Safely Thawing Meat Used while Backpacking. Solar Tubes vs. Conventional Fluorescent. Study of the Wavelike Properties of Light. Testing Sound Decay in Different Gasses. The Study of Alternating Magnetic Fields.

Wavelength Controlled Holographic Polarization. An Analysis of Black Hole Thermodynamics. Comparison of the Adhesion of Liquids on Regular Shapes. Effectiveness of Recycled Materials as Thermal Insulation. Effect of Electric Fields on the Heat of Vaporization. Effect of Titanium Dioxide on Photovoltaic Cells.

Effects of Gases on Solar Water Heaters. Experimental Investigation of High Frequency Plasma. Frequency Relationship of Notes in Musical Harmony. How Temperature Affects a Magnet's Strength.

## Class 11 Physics Notes Chapter 2 Kinematics

Light Reflection and Refraction off Liquids. Nonlinear Oscillations in Mechanical Systems. Observations of Gas in the Infrared Spectrum.Every year there are questions directly asked from this topic. Some questions can be asked directly. Thus, it is very important to have a clear cut on this topic.

This topic relates to our daily life, hence it is very easy to understand. You can also download the Kinematics Notes in the PDF format through the link shared at the end of this post. Frame of reference — Frame of reference is the set of axes which is used to specify the position of the object in a space.

The set of axes is rectangular coordinate system which consist three mutually perpendicular axis X, Y, and Z. The point of intersection of these axes is known as the origin or reference point.

Position- Position of an object is essential to describe the motion of the object. The position of the object is the set of axes from a reference point. In the above image, the position of point A from the reference point is.

Motion- An object is said to be in motion if it changes its position with time, with respect to its surroundings. Motion of the object can be represented by the position-time graph. The position-time graph helps to analyze the motion of an object. If an object is moving along the straight line covers equal distances in equal interval of time, then the motion is known as uniform motion.

Non- Uniform Motion. If an object covers unequal distances in equal interval or equal distance in unequal time interval, then it is known as non-uniform motion. Distance is also known as the path length. Distance-time graph- The gradient of the distance-time graph represents the speed of the object. Displacement- The difference between the final and initial position is called displacement. Displacement-time graph- The gradient of displacement time graph represents the velocity.

Speed— Speed of an object is the ratio of distance travelled by the object to the time taken. Types of Speed. Uniform speed - An object is said to be moving with a uniform speed if it covers the equal distance in equal intervals of time.

Non-Uniform speed - An object is said to be non-uniform speed if it covers the equal distance in the unequal time interval or unequal distance in the equal time interval. Average speed- The ratio of total path length travelled divided by the total time interval during the motion is known as the average speed of the object.

Instantaneous speed- The speed of the body at any instant of time or at a position is called instantaneous speed.Kinematics : 1. Fig: An object at rest. Motion is broadly classified into 3 categories : 1. Rectilinear and translatory motion. Circular and rotatory motion. Fig: Example of circular motion. Oscillatory and vibratory motion. When a particle is moving along a straight line, then its motion is a rectilinear motion. Fig: Example of rectilinear motion. C Distance : The length of the actual path traversed by the particle is termed as its distance.

D Displacement : The change in position vector of the particle for a given time interval is known as its displacement. E Average speed and average velocity : Average speed and average velocity are always defined for a time interval.

Both have the same SI units, i. F Instantaneous speed and instantaneous velocity : Instantaneous speed is also defined exactly like average speed i.

The instantaneous speed is the speed at a particular instant of time and may have entirly different value than that of average speed. As Dt tends to zero, the ratio defining speed becomes finite and equals to the first derivative of the distance. The speed at the moment 't' is is called the instantaneous speed at time 't'. On the distance - time plot, the speed is equal to the slope of the tangent to the curve at the time instant 't'.

It is equal to the ratio of total displacement and time interval, but with one qualification that time interval is extremely infinitesimally small. Thus, instantaneous velocity can be termed as the average velocity at a particular instant of time when Dt tend to zero and may have entirely different value that of average velocity, Mathematically.Toggle navigation. Help Preferences Sign up Log in.

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Class Take-Away Concepts. Center of Momentum. Transform Back to the. Laboratory Frame of Reference Tags: class laboratory physics. Latest Highest Rated. Whether your application is business, how-to, education, medicine, school, church, sales, marketing, online training or just for fun, PowerShow. And, best of all, most of its cool features are free and easy to use. You can use PowerShow. Or use it to find and download high-quality how-to PowerPoint ppt presentations with illustrated or animated slides that will teach you how to do something new, also for free.

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