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This is really just a definition! When we ask what the potential energy of an object is, we are really asking what energy is available to be extracted. In the case of gravity: two objects separated by an ...
Initially, there is only one force acting on the skydiver, which is their weight. F=ma therefore mg=ma. The m's cancel and the skydiver falls with acceleration g. However as soon as they have a downwards ...
The induced e.m.f. is equal to the rate of change of magnetic flux linkage. Can use equation with all terms defined.
The important condition for circular motion is that there must be a constant force acting perpendicular to the motion of the object. In this case there will be a contact force acting on the object from th...
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