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1110101001
  • Member for 10 years, 4 months
  • Last seen more than a month ago
29 votes
5 answers
29k views

Why is there an electric field in a wire even though it is a conductor?

14 votes
5 answers
7k views

Pulley system on a frictionless cart

14 votes
10 answers
5k views

How do we know that $F = ma$, not $F = k \cdot ma$?

12 votes
3 answers
16k views

Why is force dependent on acceleration, not velocity?

9 votes
2 answers
12k views

Why are force, momentum, and kinetic energy derivatives of each other [closed]

8 votes
2 answers
4k views

Intuitive explanation for why centripetal acceleration is $\frac{v^2}{r}$ [duplicate]

8 votes
4 answers
19k views

Proof of centripetal acceleration formula ($a_c = v^2/r$) for non-uniform circular motion

6 votes
2 answers
3k views

Is torque still a vector in 2 Dimensions?

6 votes
2 answers
5k views

Electric field at surface of a spherical shell

5 votes
3 answers
1k views

What changes in the electrons before and after a voltage drop?

4 votes
2 answers
2k views

Distribution of surface charges in an electric circuit

4 votes
1 answer
559 views

Question on static electricity & electron transfer

3 votes
2 answers
2k views

Conservation of Energy vs Conservation of Momentum in Rotational Dynamics

3 votes
1 answer
3k views

Why is a grounded plate needed when applying the method of images?

2 votes
1 answer
300 views

Why $x=-ct$ line in a spacetime diagram?

2 votes
2 answers
8k views

Half-atwood machine with accelerating pulley

2 votes
1 answer
2k views

Applying Kirchoff voltage law to a short circuit

2 votes
3 answers
11k views

Scale on an elevator

2 votes
2 answers
5k views

Question on circular motion — car turning on road

1 vote
4 answers
5k views

Why does a string remain taut in circular motion

1 vote
5 answers
2k views

Why does solving $\mu mg = m \frac{v^2}{r}$ give the *max* possible velocity?

1 vote
2 answers
2k views

Deriving gravitational potential energy using vectors

1 vote
1 answer
141 views

What happens when breaking simultaneity leads to different outcomes?

1 vote
1 answer
121 views

Firing counter-propagating photons inside a moving train

1 vote
0 answers
1k views

Induced current in loop

1 vote
1 answer
598 views

Approximating magnetic field at center of current loop by solenoid of 1 turn [duplicate]

0 votes
1 answer
40 views

Does a charge difference necessitate a potential difference?

0 votes
1 answer
2k views

Space time diagrams and world lines

0 votes
3 answers
3k views

Why is moment of inertia for a point same as a ring

0 votes
1 answer
404 views

Classical Mechanics -- Sign of work done