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放物運動 (ほうぶつうんどう) Japanese meaning | Kotomora

放ほう物ぶつ運うん動どう

ほ

う

ぶ

つ

う

ん

ど

う

Meanings

1

parabolic motion

Physics term for the motion of an object following a parabolic trajectory under uniform gravity, neglecting air resistance.

放ほう物ぶつ運うん動どうの軌き道どうは、空くう気き抵てい抗こうを無む視しする

と

放ほう

物ぶつ

線せん

を

描えが

く

。

The trajectory of parabolic motion describes a parabola when air resistance is ignored.

Kanji

放set free, release, fire
物thing, object, matter
運carry, luck, destiny
動move, motion, change

Related words

放ほう物ぶつ線せん
放物線 is the parabola itself, while 放物運動 refers to the motion along that curve.
投とう射しゃ運うん動どう
投射運動 is a broader term for projectile motion, which may include non-parabolic paths; 放物運動 specifically implies a parabolic trajectory.

Built from

放ほう物ぶつ+運うん動どう

Etymology

Compound of 放物 (parabola) and 運動 (motion). The exact historical derivation is uncertain, but the term is a standard modern physics coinage.