11 Answered Questions
[SOLVED] Why does holding something up cost energy while no work is being done?
- 2010-12-16 10:30:17
- SMUsamaShah
- 53808 View
- 135 Score
- 11 Answer
- Tags: energy work biophysics faq
9 Answered Questions
[SOLVED] How can magnets be used to pick up pieces of metal when the force from a magnetic field does no work?
- 2013-06-12 14:26:52
- sTr8_Struggin
- 13272 View
- 70 Score
- 9 Answer
- Tags: electromagnetism everyday-life magnetic-fields work
2 Answered Questions
[SOLVED] What causes a force field to be "non-conservative?"
- 2012-07-09 13:21:31
- Tom Au
- 3559 View
- 14 Score
- 2 Answer
- Tags: newtonian-mechanics forces work potential-energy conservative-field
7 Answered Questions
[SOLVED] Why is there a $\frac 1 2$ in $\frac 1 2 mv^2$?
- 2012-05-05 21:52:27
- Physiks lover
- 6403 View
- 23 Score
- 7 Answer
- Tags: newtonian-mechanics energy work
7 Answered Questions
3 Answered Questions
[SOLVED] Why does the amount of energy transferred depend on distance rather than time?
- 2013-10-03 18:13:27
- Vilhelm Gray
- 2939 View
- 3 Score
- 3 Answer
- Tags: newtonian-mechanics energy kinematics momentum work
6 Answered Questions
[SOLVED] Does a magnetic field do work on an intrinsic magnetic dipole?
- 2011-05-30 02:20:11
- Joss L
- 11949 View
- 34 Score
- 6 Answer
- Tags: electromagnetism magnetic-fields work classical-electrodynamics
3 Answered Questions
[SOLVED] Thermodynamics - Sign convention
- 2012-09-21 07:14:22
- Fasna
- 92779 View
- 10 Score
- 3 Answer
- Tags: thermodynamics work conventions volume
10 Answered Questions
[SOLVED] Why is torque not measured in Joules?
- 2012-09-20 23:40:24
- General Stubbs
- 43720 View
- 46 Score
- 10 Answer
- Tags: newtonian-mechanics energy work torque units
4 Answered Questions
[SOLVED] What's the real fundamental definition of energy?
- 2013-04-01 19:28:05
- user1620696
- 9317 View
- 46 Score
- 4 Answer
- Tags: classical-mechanics energy work definition
4 Answered Questions
[SOLVED] How can we move an object with zero velocity?
- 2014-03-11 15:54:39
- kiss my armpit
- 6327 View
- 17 Score
- 4 Answer
- Tags: newtonian-mechanics forces work
3 Answered Questions
[SOLVED] Why is the work done by a rocket engine greater at higher speeds?
- 2018-09-15 19:14:34
- Pilchard123
- 2442 View
- 26 Score
- 3 Answer
- Tags: newtonian-mechanics forces work rocket-science distance
8 Answered Questions
[SOLVED] What is behind the definitions of work and energy?
- 2016-08-31 08:28:46
- Sipo
- 4326 View
- 45 Score
- 8 Answer
- Tags: newtonian-mechanics energy work
9 Answered Questions
[SOLVED] Why does work depend on distance?
- 2018-09-13 15:44:28
- Dominic Roy-Stang
- 5726 View
- 24 Score
- 9 Answer
- Tags: newtonian-mechanics forces work definition distance
6 Answered Questions
[SOLVED] How can tangential acceleration from a radial force be explained?
- 2015-05-21 16:11:55
- user65916
- 1371 View
- 8 Score
- 6 Answer
- Tags: newtonian-mechanics forces work
2 Answered Questions
[SOLVED] Work done against gravity
- 2014-09-12 14:06:50
- Lakshmanan Kanthi
- 19274 View
- 4 Score
- 2 Answer
- Tags: forces newtonian-gravity work conventions
2 Answered Questions
[SOLVED] What is the mechanism by which magnetic fields do work?
- 2013-12-07 22:34:05
- Ayesha
- 2274 View
- 12 Score
- 2 Answer
- Tags: electromagnetism magnetic-fields work classical-electrodynamics
2 Answered Questions
[SOLVED] Why is the work done on a charge calculated from infinity?
- 2017-04-15 14:57:17
- Anish Kumar
- 2630 View
- 9 Score
- 2 Answer
- Tags: charge potential work potential-energy conventions
3 Answered Questions
[SOLVED] Work done in adiabatic process
- 2016-12-09 18:28:48
- Mitchell
- 1749 View
- 2 Score
- 3 Answer
- Tags: thermodynamics work adiabatic
5 Answered Questions
[SOLVED] Bird flying in a cage
- 2013-09-17 10:44:45
- M.Tarun
- 8438 View
- 11 Score
- 5 Answer
- Tags: homework-and-exercises work
1 Answered Questions
[SOLVED] A Question about Virtual Work related to Newton's Third Law
- 2012-03-31 21:28:23
- Webfarer Escape
- 1095 View
- 5 Score
- 1 Answer
- Tags: classical-mechanics newtonian-mechanics forces lagrangian-formalism work
3 Answered Questions
[SOLVED] Is work done in rolling friction?
- 2015-01-11 23:25:52
- Joshua Benabou
- 10050 View
- 6 Score
- 3 Answer
- Tags: rotational-dynamics friction work
4 Answered Questions
[SOLVED] Net work done on the body when we lift it and put it on the table is zero?
- 2011-10-29 15:34:36
- claws
- 11967 View
- 2 Score
- 4 Answer
- Tags: newtonian-mechanics forces energy work
4 Answered Questions
[SOLVED] What exactly makes a force conservative?
- 2017-09-15 13:20:21
- vs_292
- 2254 View
- 15 Score
- 4 Answer
- Tags: newtonian-mechanics forces work dissipation conservative-field
2 Answered Questions
[SOLVED] Conceptually, what is negative work?
- 2013-05-24 22:16:14
- AndrewChang
- 82544 View
- 16 Score
- 2 Answer
- Tags: energy classical-mechanics work
3 Answered Questions
[SOLVED] How was the definition and the formula of work derived? Is it the best possible?
- 2014-07-29 13:50:17
- jerry
- 5402 View
- 10 Score
- 3 Answer
- Tags: work definition
4 Answered Questions
[SOLVED] Proof of conservation of energy?
- 2013-09-15 03:35:49
- AxtII
- 34235 View
- 9 Score
- 4 Answer
- Tags: energy energy-conservation work
1 Answered Questions
[SOLVED] What is happening to rotational kinetic energy when moment of inertia is changed?
- 2014-01-13 17:50:39
- Rijul Gupta
- 14205 View
- 5 Score
- 1 Answer
- Tags: energy-conservation rotational-dynamics conservation-laws work moment-of-inertia
5 Answered Questions
[SOLVED] Sign of Work and potential energy in electrostatics
- 2014-02-13 20:58:26
- David D.
- 8074 View
- 4 Score
- 5 Answer
- Tags: electricity electrostatics work potential-energy conventions
3 Answered Questions
[SOLVED] Direction of $d\mathbf{l}$
- 2019-04-30 09:51:55
- Thomas
- 145 View
- 2 Score
- 3 Answer
- Tags: electrostatics work potential potential-energy conventions
