Question on work power and energy
3471
Why does holding something up cost energy while no work is being done?
17753
Positive work done by friction
146039
Is it always possible to define energy of a system?
120098
Work and Kinetic energy rely on each other which came first?
78752
What determines how much power the motor 'draws'?
67570
Work done changes between reference frames?
56428
Wrong calculation of work done on a spring, how is it wrong?
154037
How was the definition and the formula of work derived? Is it the best possible?
6401
Physics definition of work and lifting
58724
Capillary action and conservation of energy
31805
Energy in capacitors - loss?
107891
Work done in moving a charge
45625
Is energy content of a system different depending on the observer?
98846
Why is Kinetic Energy = (-) Total Energy and Potential Energy = 2 $\times$ Total Energy?
130863
Destructive interference and energy conservation
117292
Is energy the ability to do work?
6592
if a body is stopped by means other than friction, where does energy go?