Engineering Mechanics
Engineering Mechanics. Instructor: Professor Manoj K Harbola, Department of Physics, IIT Kanpur. In this course, we would be studying mechanical interaction between different bodies when they interact through the forces applied on each other. Topics covered in this course include Review of Newton's laws of motion and vector algebra; Equilibrium of bodies; Plane trusses; Friction; Properties of plane surfaces; Method of virtual work; Motion of particles; Momentum; Work and energy; Rotational kinematics and dynamics; Simple harmonic oscillator; and Motion in non-inertial frames. (from nptel.ac.in)
Lecture 80 - Understanding Demonstrations Shown Earlier using Equation of Motion |
In this lecture we discuss the demonstration of different cylinders rolling on a curved track and explain it from dynamics point of view considering the change in the angular momentum of rigid bodies. We the develop Euler's equations for rigid body dynamics and apply them to explain another demonstrations shown in earlier lectures: that of a solid box falling and wobbling only when it is released rotating about a particular axis.
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