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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?

A mass with negligible size Signup and view all the answers

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

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

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

Newton's third law Signup and view all the answers

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

$\sum F = 0, \sum M = 0$ Signup and view all the answers

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

Three translations, three rotations Signup and view all the answers

What does a concentrated force in statics act on?

A single point Signup and view all the answers

'Magnititude' in vectors refers to:

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