Answer;
Testable and falsifiable.
Explanation;
-The two traits that a hypothesis must have in order to be viable are; testable and falsifiable.
-A scientific hypothesis must be testable, which means that it should be possible to make observations that agree or disagree with it.
-Falsifiability of a hypothesis on the other hand, refers to the capacity for some proposition, statement, theory or hypothesis to be proven wrong. This is an essential component of the scientific method and the testing of a hypothesis.
The law of universal gravitation says that one object attracts every other object using a proportional force to the mass of the object.
Answer:
I think the answer is As you increase the current the resistance increases too.
When one force acts, a second force is produced that is D.equal and opposite to the original force.
This is the answer to your question, have a great day, chao!!