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Chapter 10 – Motion and Measurement of Distances

The following Topics and Sub-Topics are covered in this chapter and are available on MSVgo:

Introduction

The concept of motion and measurement of distances can be easily understood through your daily life. You are in motion every time you walk, run, move in a car, go to the kitchen, etc. Some measurements may help you find the distance between your home and your school and some, the distance between your room and the kitchen.

Motion can be defined as the change of an object’s position with respect to time. In this sense, every physical process, like a book falling off a shelf or even the water that flows through your tap, is an example of motion in action. So, motion can be slow like the movement of a sloth or fast like a waterfall. 

Did you know that the atom, which makes up all matter in this universe, is also in constant motion? Motion is thus very important in the physical world and it can be described in terms of the following:

  1. Distance
  2. Displacement 
  3. Speed
  4. Time

Can you think of the oldest means of transport that you have read about in your History lesson? Humans first designed vessels or boats that would float on water which was quickly followed by the invention of the wheel that could make movement on a cart possible. In the early 19th century, humans discovered the power of steam energy that could run entire trains and other means of transport. And you are, of course, familiar with automobiles, airplanes, etc. that are the latest means of transport. 

Humans have always been a curious race and this curiosity has led them to constantly develop and evolve various means of transport to get from one place to another. You can say that the whole idea of motion and measurement of distances germinated from here.

There are many moving things around us that help in understanding the concept of motion and measurement of distances better. Again, there are different ways, angles in which these objects move – curved or linear. Depending on the nature of movement, motion may be classified into three types:

 

  1. Linear Motion
    When the particles in motion move either in a straight line or follow a curved path, it is called linear motion. This is further divided into two types:
    I. Rectilinear Motion or the movement of particles in a straight line.
    II. Curvilinear Motion or the movement of particles in a curved path.
  2. Rotatory Motion
    You must be familiar with the rotation of the earth around its own axis? That is a perfect example of rotatory motion which occurs when a body like the earth rotates around its own axis.
  3. Oscillatory Motion
    The motion of a body about its mean position is referred to as oscillatory motion. To understand better, imagine yourself on a swing with your friend pushing from the back. How do you feel? Don’t you feel like you are going back and forth in no particular direction but around a fixed center? That is oscillatory motion.

If you go back to the history of motion and measurement of distances, you will find various types of measurement tools and standards being used by people to make transactions, calculations, etc. Needless to say it created a lot of confusion and led scientists and mathematicians to come to an agreement to use some common standard units of measurements. In this regard, the S.I or International Standard Unit of Measurement was devised as a convention for measurement across the world. 

If you have come across terms like meter and kilometer, then you are already familiar with the S.I. system. To jog your memory,

1 meter = 100 centimeter

1 kilometer = 1000 meter

You can use a simple 4-step process to ensure correct measurement of length.

Step 1: Make sure your scale is in contact with the object that you wish to measure. 

Step 2: The scale must not be broken in order to avoid zero error, in which case a different mark should be used. 

Step 3: You can obtain the correct reading by subtracting the value from the full mark that is considered as zero.

Step 4: Avoid parallax error by placing your eye directly above the point of measurement. 

So, next time you go to school, try looking at your desk and calculating how wide is this desk using the 4-step process.

You cannot use the S.I. system while measuring the length of a curved line. You can, however, use a simple daily object like a string or thread to do so. Just tie a knot at one end of the string and keeping that at a starting point A, trace the curved line back to A. In the next step, you can simply stretch the string and gain a correct measurement of length using a standard scale. Alternatively, you can use a measuring tape to measure the curved line.

  • What is motion and measurement?

Motion is the change of position of any object in relation with time, and you can obtain a measurement of this change using a standard unit. 

  • What is motion in science for Class 6?

When an object changes position with respect to time, it is said to be in motion.

  • What do you mean by measurement for Class 6?

Measurement gives you a sense of how far or how long or big an object is.

  • What are the 7 types of motion?

The 7 types of motion are:

  1. Rectilinear Motion
  2. Curvilinear Motion
  3. Oscillatory Motion
  4. Circular Motion
  5. Periodic Motion
  6. Rotatory Motion
  7. Linear Motion
  • What is the SI unit of meters?

The S.I. unit of meter is a measure of length which is equally divided into 100 centimeters.

  • What is unit in Physics Class 6?

The International Standard of Units or S.I. unit is the conventional unit of measurement of distances around the world.

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High School Physics

  • Alternating Current
  • Atoms
  • Communication Systems
  • Current Electricity
  • Dual nature of Radiation and Matter
  • Electric Charges and Fields
  • Electricity
  • Electromagnetic Induction
  • Electromagnetic Waves
  • Electron Beams and Radioactivity
  • Electrons and Photons
  • Electrostatic Potential and Capacitance
  • Fluid Pressure
  • Force and Acceleration
  • Force And Laws Of Motion
  • Gravitation
  • Internal Energy
  • Kinetic Theory
  • Law of motion
  • Light – Reflection And Refraction
  • Magnetic Effects Of Electric Current
  • Magnetism and Matter
  • Management Of Natural Resources
  • Mechanical properties of Fluids
  • Mechanical properties of Solids
  • Motion
  • Motion in a plane
  • Motion in a straight line
  • Moving Charges and Magnetism
  • Nuclear Energy
  • Nuclei
  • Oscillations
  • Our Environment
  • Paths of Heat
  • Physical world
  • Ray optics and optical instruments
  • Semiconductor Devices
  • Semiconductor Electronics: Materials, Devices and Simple Circuits
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  • Sources Of Energy
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  • Spherical Mirrors
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  • Systems of Particles and Rotational motion
  • Thermal properties of matter
  • Thermodynamics
  • Units and Measurement
  • Vectors, Scalar Quantities and Elementary Calculus
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  • Work, Power and Energy

High School Chemistry

  • Acids, Bases and Salts
  • Alcohols, Phenols and Ethers
  • Aldehydes, Ketones and Carboxylic Acids
  • Aliphatic and Aromatic Hydrocarbons
  • Alkyl and Aryl Halides
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  • Analytical Chemistry 
  • Atomic Structure
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  • Basic concepts of Chemistry
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  • Carbon And Its Compounds
  • Carboxylic acids and Acid Derivatives
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  • Chemical Reactions and Their Mechanisms
  • Chemistry in Everyday Life
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High School Biology

  • Absorption and Movement of Water in Plants
  • Adolescent Issues
  • Anatomy of Flowering Plants
  • Animal Kingdom
  • Bacteria and Fungi-Friends and Foe
  • Biodiversity and Conservation
  • Biofertilizers
  • Biological Classification
  • Biomedical Engineering
  • Biomolecules
  • Biotechnology and its Applications
  • Biotic Community
  • Body Fluids and Circulation
  • Breathing and Exchange of Gases
  • Cell – Unit of Life
  • Cell Cycle and Cell Division
  • Cell Division and Structure of Chromosomes
  • Cell Reproduction
  • Cellular Respiration
  • Chemical Coordination and Integration
  • Circulation
  • Control And Coordination
  • Crop Improvement
  • Digestion and Absorption
  • Diversity In Living Organisms
  • Ecosystem
  • Environmental Issues
  • Excretory Products and their Elimination
  • Flowering Plants
  • Genes and Chromosomes
  • Health and Diseases
  • Health and Its Significance
  • Heredity And Evolution
  • Heredity and Variation
  • How Do Organisms Reproduce?
  • Human Diseases
  • Human Eye And Colourful World
  • Human Health and Disease
  • Human Population
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  • Hygiene
  • Improvement In Food Resources
  • Integumentary System- Skin
  • Kingdom Fungi
  • Kingdom Monera
  • Kingdom Protista
  • Life Processes
  • Locomotion and Movement
  • Microbes in Human Welfare
  • Mineral Nutrition
  • Molecular Basis of Inheritance
  • Morphology of Flowering Plants
  • Neural Control And Coordination
  • Nutrition in Human Beings
  • Organism and Population
  • Photosynthesis
  • Photosynthesis in Higher Plants
  • Plant Growth and Development
  • Plant Kingdom
  • Pollination and Fertilization
  • Pollution; Sources and its effects
  • Principles of Inheritance and Variation
  • Reproduction and Development in Angiosperms
  • Reproduction in Organisms
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  • Respiration in Human Beings
  • Respiration in Plants
  • Respiratory System
  • Sexual Reproduction in Flowering Plants
  • Strategies for Enhancement in Food Production
  • Structural Organisation in Animals
  • Structural Organisation of the Cell
  • The Endocrine System
  • The Fundamental Unit Of Life
  • The Living World
  • The Nervous System and Sense Organs
  • Tissues
  • Transpiration
  • Transport in Plants

High School Math

  • Algebra – Arithmatic Progressions
  • Algebra – Complex Numbers and Quadratic Equations
  • Algebra – Linear Inequalities
  • Algebra – Pair of Linear Equations in Two Variables
  • Algebra – Polynomials
  • Algebra – Principle of Mathematical Induction
  • Algebra – Quadratic Equations
  • Binomial Theorem
  • Calculus – Applications of Derivatives
  • Calculus – Applications of the Integrals
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  • Geometry – Area
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  • Probability
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  • Sets and Functions
  • Statistics 
  • Trignometry – Height and Distance
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  • Trignometry – Introduction

Middle School Science

  • Acids, Bases And Salts
  • Air and Its Constituents
  • Basic Biology
  • Body Movements
  • Carbon and Its Compounds
  • Cell – Structure And Functions
  • Changes Around Us
  • Chemical Effects Of Electric Current
  • Chemistry in Your Life
  • Coal And Petroleum
  • Combustion And Flame
  • Components Of Food
  • Conservation Of Plants And Animals
  • Crop Production And Management
  • Electric Current And Its Effects
  • Electricity And Circuits
  • Elements and Compounds
  • Fibre To Fabric
  • Food production and management
  • Force And Pressure
  • Forests: Our Lifeline
  • Friction
  • Fun With Magnets
  • Garbage In, Garbage Out
  • Getting To Know Plants
  • Health and Hygiene
  • Heat
  • Hydrogen
  • Life Processes: Nutrition in Animals and Plants
  • Light, Shadows And Reflections
  • Materials: Metals And Non-Metals
  • Matter and Its States
  • Metals and Non-metals
  • Micro Organisms: Friend And Foe
  • Motion And Measurement Of Distances
  • Motion And Time
  • Nutrition In Animals
  • Nutrition In Plants
  • Organization in Living Things
  • Our Environment
  • Physical And Chemical Changes
  • Pollution and conservation
  • Pollution Of Air And Water
  • Reaching The Age Of Adolescence
  • Reproduction In Animals
  • Reproduction In Plants
  • Respiration In Organisms
  • Rocks and Minerals
  • Separation Of Substances
  • Simple Machines
  • Soil
  • Some Natural Phenomena
  • Sorting Materials Into Groups
  • Sound
  • Stars And The Solar System
  • Structure of Atom
  • Synthetic Fibers And Plastics
  • The Living Organisms And Their Surroundings
  • Transfer of Heat
  • Transformation of Substances
  • Transportation In Animals And Plants
  • Universe
  • Waste-water Story
  • Water: A Precious Resource
  • Weather, Climate And Adaptations Of Animals To Climate
  • Winds, Storms And Cyclones

Middle School Math

  • Addition
  • Area and Its Boundary
  • Boxes and Sketches
  • Data Handling
  • Fun With Numbers
  • Heavy and Light
  • How Many
  • Long And Short
  • Mapping
  • Measurement
  • Money
  • Multiplication and Factors
  • Multiply and Divide
  • Numbers
  • Parts and Wholes
  • Pattern Recognition
  • Patterns
  • Play With Patterns
  • Rupees And Paise
  • Shapes And Angles
  • Shapes And Designs
  • Shapes and Space
  • Similarity
  • Smart Charts
  • Squares
  • Subtraction
  • Tables And Shares
  • Tenths and Hundredths
  • Time
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