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Muphrid
  • Member for 9 years, 8 months
  • Last seen more than 3 years ago
44 votes
Accepted

What do people actually mean by "rolling without slipping"?

20 votes

Is Biot-Savart law obtained empirically or can it be derived?

20 votes

Physical and Geometrical interpretation of Differential Forms

19 votes
Accepted

What is the difference between a spinor and a vector or a tensor?

19 votes
Accepted

How are constraint forces represented in Lagrangian mechanics?

17 votes

What is the physical significance of dot & cross product of vectors? Why is division not defined for vectors?

16 votes
Accepted

Why do Maxwell's equations contain each of a scalar, vector, pseudovector and pseudoscalar equation?

16 votes

What is the uncertainty principle?

15 votes

What does the wind speed have to be to blow away a person?

13 votes

Probability amplitude in Layman's Terms

12 votes
Accepted

When can I use $\wedge$ instead of curl?

11 votes

Magnetic monopoles and special relativity

10 votes

Difference between slanted indices on a tensor

9 votes
Accepted

Vector cross product of $\mathbf{r}$ and $\ddot{\mathbf{r}}$ in polar coordinates

9 votes

Why does Minkowski space provide an accurate description of flat spacetime?

8 votes
Accepted

In coordinate-free relativity, how do we define a vector?

8 votes

Gradient is covariant or contravariant?

8 votes

How does faster than light travel violate causality?

8 votes
Accepted

Does General Relativity encompass Special Relativity?

7 votes
Accepted

Connecting 4-velocity to equation for adding velocities

7 votes

How can the speed of light be a dimensionless constant?

7 votes

Question about proper time in general relativity

7 votes
Accepted

Why are totally antisymmetric tensors more useful than totally symmetric tensors?

7 votes

At which point of the universe $R_{\mu \nu}=0$ if there is a source of gravitation (point mass)

6 votes
Accepted

Is there a fourth component to the electric field and magnetic field?

6 votes
Accepted

Electromagnetic Tensor in Cylindrical Coordinates

6 votes
Accepted

What does it mean to find acceleration in terms of g?

6 votes
Accepted

Intuitive description of what a "Fermi Gas" really is?

6 votes

Gravity stronger than electromagnetic force in a black hole?

6 votes
Accepted

Minkowski diagram, hyperbola and invariant quantity of relativity

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