Momentum
What happens to the net force acting on a closed system that exchanges no matter with its surroundings when it is pushed?
In a closed system where two objects collide elastically, what conservation law primarily determines that their combined kinetic energy remains constant before and after impact?
If a thermally isolated container holds water at its boiling point without changing temperature despite heat input from below, what concept explains why adding more heat does not increase its temperature?
What equipment would be best suited for timing how long it takes a ball to pass through a certain point in its trajectory in an open system experiment?
Considering a hypothetical machine operating between two thermal reservoirs in a closed loop process with no other interactions with surroundings, which statement correctly explains why it cannot achieve perpetual motion?
A child of mass is sitting on a circular platform of mass which is rotating counterclockwise without friction. Which of the following actions could the child do to increase the angular momentum of the child-platform system?
When a sealed syringe is plunged rapidly with its nozzle blocked, which concept most accurately explains the increase in temperature of the air inside?
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Which type of interaction best exemplifies a system that conserves mechanical energy?
What does an open system in physics allow for that a closed system does not?
In an insulated container where two substances with different temperatures are mixed together until equilibrium is reached, what happens to their internal energies?