Physics
Hydraulic machines work under the Principle of :

Newton's Law
Pascal's Law
Joules Law
Floatation Law

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Physics
The mass defect is the result of what action occurring?

Protons and electrons being attracted to each other
Mass being converted to energy when protons and neutrons bind together in a nucleus
Mass being converted to energy when protons and neutrons break apart in a nucleus
Energy being converted into moles of atoms when neutrons break apart protons

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