impulse; physics term
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
impulse; the product of force and the time over which it acts
formalA fundamental concept in classical mechanics (physics). It measures the change in momentum of an object.
Chōng冲
liàng量
shì是
lì力
duì对
shí时
jiān间
de的
jī积
fēn分
。
Impulse is the integral of force with respect to time.
Yào要
jì计
suàn算
wù物
tǐ体
dòng动
liàng量
de的
biàn变
huà化
，
xū需
yào要
xiān先
qiú求
chū出
chōng冲
liàng量
。
To calculate the change in an object's momentum, you first need to find the impulse.
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Zài在
pèng碰
zhuàng撞
guò过
chéng程
zhōng中
，
chōng冲
liàng量
jué决
dìng定
le了
sù速
dù度
de的
gǎi改
biàn变
liàng量
。
During a collision, the impulse determines the change in velocity.