| Law | action and reaction are equal and opposite |
|---|---|
| Law | (hydrostatics) the apparent loss in weight of a body immersed in a fluid is equal to the weight of the displaced fluid |
| Law | a law concerning the speed at which planets travel |
| Law | a law affirming that in the long run probabilities will determine performance |
| Law | (chemistry) the principle that (at chemical equilibrium) in a reversible reaction the ratio of the rate of the forward reaction to the rate of the reverse reaction is a constant for that reaction |
| Law | the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes |
| Law | a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system |
| Law | a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system |
| Law | (chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight |
| Law | (chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight |
| Law | a law affirming that to continue after a certain level of performance has been reached will result in a decline in effectiveness |
| Law | (psychology) the principle that behaviors are selected by their consequences |