Select the situations from the list below in which mechanical energy is conserved. A ball sliding down...

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Physics

Select the situations from the list below in which mechanicalenergy is conserved.

A ball sliding down a hill with friction.

The Moon orbiting the Earth.

A ball sliding down a frictionless hill.

A child swinging on a frictionless swing, ignoring airresistance.

A ball that is dropped from a certain height and bounces back toa lower height.

An ice skater gliding along the ice.

Someone else posted this but the answer isn't correct.

Answer & Explanation Solved by verified expert
3.6 Ratings (393 Votes)
Mechanical energy is the sum of the potential and kinetic energies in a system The principle of the conservation of mechanical energy states that the total mechanical energy in a    See Answer
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