When we push on a wall, why isn't there any work done?
3471
Why does holding something up cost energy while no work is being done?
100146
What is common practice when doing electrical rough-in for recessed lights in a drop ceiling and walls are not yet finished?
149567
Why does a force not do any work if it's perpendicular to the motion?
128537
Block on a block problem, with friction
135224
How is a floating desk top supported against the wall?
99246
When we push a box, the box applies an opposite force on my hand, but why does my hand move with the box as I push the box if the net force of is 0?
140656
What's written on the wall?
1867
Why are these pistons pushing?
59713
Why doesn't this perpetual motion machine using the buoyant force work?
87406
Completing something just to finish it despite lack of interest - is called …?
89260
Why doesn't a fly fall off the wall?
4844
Why does a free-falling body experience no force despite accelerating?
78062
Please help understanding the difference between force and kinetic energy for an object hitting a wall?
68106
Are we doing work when we compress a ball?
48979
Work done by gravity on falling object does not seem to equal change in mechanical energy
138214
Why does a surface always exert force normal to it?
53298
Why is momentum conserved when a ball hits a vertical wall?