Lecture #1 Mechanics of Mechanical Manipulators
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Questions and Answers

What are the two main attributes used to define objects at a beginner level in the context of mechanical manipulators?

  • Position and velocity
  • Size and color
  • Position and orientation (correct)
  • Speed and acceleration
  • Which term refers to the science of motion that treats motion without considering the forces responsible for it in the context of mechanical manipulators?

  • Force analysis
  • Dynamics
  • Mechanics
  • Kinematics (correct)
  • In the context of mechanical manipulators, what do joints with position sensors mainly measure?

  • Joint angles (correct)
  • Friction levels
  • Temperature changes
  • Color variations
  • What term is used to describe the number of independent position variables required to locate all parts of a mechanism in the context of mechanical manipulators?

    <p>Degrees of Freedom</p> Signup and view all the answers

    What is present at the free end of a manipulator chain in the context of mechanical manipulators?

    <p>End effector</p> Signup and view all the answers

    In the context of vectors, what does a 3x1 position vector represent?

    <p>Location in space</p> Signup and view all the answers

    What is the significance of describing orientation of a body with respect to a coordinate system?

    <p>It gives the complete location of the body</p> Signup and view all the answers

    How are unit vectors that describe orientation typically arranged for a body relative to a reference system?

    <p>$egin{bmatrix} X &amp; Y &amp; Z \ \ \ \<br> \<br> \end{bmatrix}$</p> Signup and view all the answers

    If given $A_{P} = egin{bmatrix} 2 \ -3 \ 5 \ \
    \
    \end{bmatrix}$, what does the value of $p_{y}$ represent?

    <p>Distance along the y-axis</p> Signup and view all the answers

    Why is it important to specify both the location and orientation of a body in space?

    <p>To fully define the body's position</p> Signup and view all the answers

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