音标与读法

这里为大家介绍下momentum 是什么意思，希望能帮助到各位朋友。

音标：[ məu"mentəm ]

中英文翻译

n.

(pl. momentums, -ta ) 【物理学】动量；【火箭】总冲量；〔口语〕惰性；势头；要素，契机。 the momentum of attack 进攻的锐气[颈头]。

the product of a body""s mass and its velocity; "the momentum of the particles was deduced from meteoritic velocities"

an impelling force or strength; "the car""s momentum carried it off the road"

同义词：impulse,

In classical mechanics, linear momentum or translational momentum (pl. momenta; SI unit kg?m/s, or equivalently, N?s) is the product of the mass and velocity of an object.

例句与用法

1.Angular momentum is an axial vector quantity .

角动量是一种轴矢量。

2.In this chapter we will discuss angular momentum .

本章将讨论角动量。

3.A falling object gains momentum as it falls .

物体下落增进动量。

4.Momentum and energy have been united .

动量和能量统一了起来。

5.The total momentum at this instant is thus mv .

因此，在该时刻的总动量为mv。

6.If the impulse is zero, there is no change in momentum .

如果冲量为零，则动量不变。

7.Each of the individual momenta may change in time .

每个单独的动量可能随时间而变化。

8.Angular momentum can accompany nonrotational motion .

非旋转的运动可能伴随着有角动量。

9.The gage deflection is due to the momentum transfer .

压力计的偏转是由于动量交换的原因。

10.Momentum conservation is a consequence of newton"s laws .

动量守恒是牛顿定律的一个推论。

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