Mechanics Basics: Kinematics and Dynamics
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Questions and Answers

What branch of physics deals with the study of motion of bodies without the influence of force?

  • Physics
  • Dynamics
  • Mechanics
  • Kinematics (correct)

    • What is the term for the study of motion of objects?

  • Mechanics (correct)
  • Physics
  • Dynamics
  • Kinematics

    • What is the state of a body that does not change its position with respect to its surroundings?

  • Translatory motion
  • State of rest (correct)
  • State of motion
  • Rotatory motion

    • What type of motion is characterized by every particle of a body having exactly the same motion?

    <p>Translatory motion</p> Signup and view all the answers

    What is an example of linear motion?

    <p>A freely falling body</p> Signup and view all the answers

    What is an example of circular motion?

    <p>A stone attached to a thread</p> Signup and view all the answers

    What is an example of rotational motion?

    <p>The hands of a clock</p> Signup and view all the answers

    Why are motion and rest considered relative terms?

    <p>Because they depend on the observer's frame of reference</p> Signup and view all the answers

    What is an example of vibratory motion?

    <p>A swinging cradle</p> Signup and view all the answers

    Can a body be considered completely at rest?

    <p>No, because it is always moving with the Earth and the universe</p> Signup and view all the answers

    Why does the state of motion of a body depend on the observer?

    <p>Because the observer's frame of reference determines the state of motion</p> Signup and view all the answers

    What is the reason why the concept of absolute rest is not attainable?

    <p>Because the universe is in motion</p> Signup and view all the answers

    What is the SI unit of temperature?

    <p>Kelvin</p> Signup and view all the answers

    What is the purpose of scientific notation?

    <p>To write very small and very large numbers in powers of ten</p> Signup and view all the answers

    What is the derived unit of area?

    <p>m^2</p> Signup and view all the answers

    What is the prefix for 1x10-6?

    <p>micro</p> Signup and view all the answers

    What is the branch of physics that deals with Quantum Mechanics and Atomic and Nuclear Physics?

    <p>Modern Physics</p> Signup and view all the answers

    What are the three things required to define a quantity in Physics?

    <p>A number, a unit, and a direction</p> Signup and view all the answers

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