What is the physical meaning of divergence, curl and gradient of a vector field?
Why curl represents rotation of a vector field?
What is the physical significance of curl of a magnetic field? How do I express vectors in inertial and rotating vector? Why is Earth rotating? What is torque in a rotating shaft? Aerodynamically what happens when propellor rotates? Why are electric field vectors tangent to the electric field lines? Why would a magnetized particle rotate in a magnetic field? Why does Earth rotate and what keeps it rotating? According to string theory, why is earth rotating around the sun on an ellipse, while gravitation field of the sun should be almost perfect circle? Rotational energy of a disk not rotating about its centre? How does a coil in a magnetic field rotate through a full turn? Every field is a vector space over itself, then is it elements of that field a vector? What is spinning? What is tangential component of electric field? What exactly is a spin? How come planets revolve in curl less gravitational field? Why are rainbows shaped as semicircular arcs? Why does earth revolve and rotate? Why are Newton's rings circular in shape? Why not square or any other shape? Is a vector uniform field costant in module? If it is, why is this so? Define pure rotation of kinetics? Why do earth rotate in only one direction? Why can't double bonds rotate? What are some variations on bicep curls? Why does the earth rotate on its axis? Why the earth rotates on its axis? Why is [math]\pi[/math] what it is? Why does earth rotate on it's axis? What is an advantage of RBF kernal and remaining types? What is the torque?