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Noumeno
  • Member for 2 years, 2 months
  • Last seen more than a week ago
39 votes

Why is acceleration directed inward when an object rotates in a circle?

30 votes

Why do we need instantaneous speed?

23 votes

Does a rotating rod have both translational and rotational kinetic energy?

21 votes

Why is angular momentum a vector?

10 votes

How does a satellite maintain circular orbit?

7 votes

How does the second law of thermodynamics function when a system is at maximum entropy?

6 votes

Potential energy and force

6 votes

Why is the photon clock equivalent to all clocks?

5 votes

Does all EM radiation consist of photons?

4 votes

Why did water not drip form this small bottle?

4 votes

Inertial and non-inertial frames in classical mechanics

4 votes
Accepted

Do time dilation and length contraction cancel out?

4 votes

Why we add the individuals quantities to find the total amount of a system's "quantity"? Is this by definition of "total"?

3 votes

Does electric field obey the triangle law of vector addition and subtraction?

3 votes
Accepted

What is the cause of electric force?

2 votes

What is the work done by gravitational force when you lift an object?

2 votes

Why can ropes pull but not push?

2 votes

What is the $y$-axis in an electromagnetic wave?

2 votes
Accepted

Questions regarding particle spin

2 votes

How was it found that a charge produces an electric field rather than a 'local' electric force?

1 vote

How do electrical devices limit the current flow from a socket?

1 vote
Accepted

Relationship between voltage and distance in electrodynamics

1 vote

Definition of a joule

1 vote

Is my intuitive understanding of physical infinity correct?

1 vote

Why the gravitational potential energy at infinity is zero?

1 vote

Do all impossible processes disobey certain conservation laws?

1 vote

Would there be any gravity inside a hollow planet made of a spherical shell of basalt crust?

1 vote

Why does this block move backwards?

1 vote

Integral of a dot product

1 vote
Accepted

Does electrostatic force act at the centre of mass of a body?