Force, work and the apparent disappearance of Mechanical Energy
3471
Why does holding something up cost energy while no work is being done?
45266
How are forces "mediated"?
145238
Where does the energy required to stop a moving body come from and go?
143803
The elusive difference between force and impulse
89839
What is function of force $F$ and work $W$?
19783
Why does a system try to minimize potential energy?
125404
Work of a force field
61345
Newton's second law explanation
141474
Prove the Total Mechanical Energy of the System is Conserved via Differential Equations
120098
Work and Kinetic energy rely on each other which came first?
97765
Force as gradient of scalar potential energy
21190
Net work done on the body when we lift it and put it on the table is zero?
112723
The problem of self-force on point charges
128238
What is the cause of the normal force?
139646
Can we rigorously define force?
19442
Frictional forces opposing motion
42623
What is the relationship between force and kinetic energy?