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  • The Piemont-Liguria Ocean
16 votes
1 answer
575 views

Reading differential forms

11 votes
2 answers
2k views

Biot-Savart law from Ampère's with multivariate calculus

6 votes
2 answers
2k views

Proof of Ampère's law from the Biot-Savart law for tridimensional current distributions

6 votes
1 answer
218 views

Meaning of integral signs in classical physics

5 votes
2 answers
18k views

Angular momentum with respect to the centre of mass

4 votes
1 answer
871 views

Reversible cycle approximated by Carnot cycles

3 votes
1 answer
82 views

Velocity of particle constant under null initial magnetic force

3 votes
1 answer
3k views

Ampère's law from Biot-Savart law for linear currents with multivariate calculus

3 votes
1 answer
629 views

Laplacian of Lorenz gauge magnetic potential

1 vote
0 answers
556 views

Surface electric current flows

1 vote
1 answer
171 views

Assumptions in physics for Helmholtz decomposition

1 vote
2 answers
370 views

Torque due to magnetic force on a loop

1 vote
1 answer
60 views

Torque as if magnetic force were concentred in mean point

1 vote
0 answers
125 views

Electrostatic energy of a distribution of charges

1 vote
2 answers
1k views

Gauss' law in differential form and electric fields

1 vote
2 answers
572 views

Gauss's law... if the integral defining $\boldsymbol{E}$ diverges?

1 vote
1 answer
309 views

Angular acceleration as a function of torque

1 vote
1 answer
195 views

Trajectories piecewise smooth?

1 vote
1 answer
177 views

Relative acceleration of two planets orbiting a star

1 vote
1 answer
1k views

One force applied to one point of a rigid body: centre of mass and torque [duplicate]

1 vote
1 answer
342 views

Rigid body: internal work null?

0 votes
0 answers
141 views

Total angular momentum of a continuous body

0 votes
1 answer
236 views

Normal force, work and conservativity

0 votes
2 answers
622 views

Power of a wave in a string

0 votes
1 answer
77 views

Magnetic force on a wire: how to calculate it