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 (D)</p> Signup and view all the answers

What is an example of linear motion?

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

What is an example of circular motion?

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

What is an example of rotational motion?

<p>The hands of a clock (A)</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 (B)</p> Signup and view all the answers

What is an example of vibratory motion?

<p>A swinging cradle (D)</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 (B)</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 (A)</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 (A)</p> Signup and view all the answers

What is the SI unit of temperature?

<p>Kelvin (D)</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 (D)</p> Signup and view all the answers

What is the derived unit of area?

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

What is the prefix for 1x10-6?

<p>micro (C)</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 (D)</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 (B)</p> Signup and view all the answers
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