Mechanical Engineering and Robotics Lecture 2: Engineering Mechanics
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Mechanical Engineering and Robotics Lecture 2: Engineering Mechanics

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Questions and Answers

Which branch of mechanics studies the motion and equilibrium of bodies subjected to forces and moments?

  • Dynamics
  • Relativistic mechanics
  • Statics (correct)
  • Kinematics

    • Who formulated the laws of motion and developed calculus in the 17th century?

  • René Descartes
  • Henri Poincaré
  • Jean le Rond d'Alembert
  • Gottfried Wilhelm Leibniz (correct)

    • Which scientist developed the principle of virtual work in the 18th century?

  • William Hamilton
  • Henri Poincaré
  • Leonhard Euler
  • Joseph-Louis Lagrange (correct)

    • What is a particle according to the idealizations in statics?

    <p>A mass with negligible size</p> Signup and view all the answers

    What is the mathematical definition of a vector in Cartesian space?

    <p>$\vec{v} = v_1 \hat{e}_1 + v_2 \hat{e}_2 + v_3 \hat{e}_3$</p> Signup and view all the answers

    What is the principle of action and reaction also known as?

    <p>Newton's third law</p> Signup and view all the answers

    What is the equation of equilibrium for the equilibrium of a particle?

    <p>$\sum F = 0, \sum M = 0$</p> Signup and view all the answers

    How many degrees of freedom are theoretically allowable for the equilibrium of a rigid body?

    <p>Three translations, three rotations</p> Signup and view all the answers

    What does a concentrated force in statics act on?

    <p>A single point</p> Signup and view all the answers

    'Magnititude' in vectors refers to:

    <p>$\sqrt{v_1^2 + v_2^2 + v_3^2}$</p> Signup and view all the answers

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