Наука в ежедневието

Why does a ball fall?

A falling object trades gravitational potential energy for kinetic energy; total energy is conserved when losses are accounted for.

Краткият отговор

A falling object trades gravitational potential energy for kinetic energy; total energy is conserved when losses are accounted for.

Какво всъщност се случва?

Науката се запомня, когато определението се свърже с нещо измеримо или наблюдаемо.

Полезна мисловна картина

Near Earth, gravity accelerates a released object downward. As it falls, gravitational potential energy is converted mainly into kinetic energy, with air resistance transferring some energy to the surroundings.

По-задълбочено

Energy Conservation

Източници

IUPAC · NIST · BIPM