momentum
US /məˈmen.t̬əm/
UK /məˈmen.t̬əm/
1.
動量, 衝量
the quantity of motion of a moving body, measured as a product of its mass and velocity
:
•
The car gained momentum as it rolled down the hill.
汽車下坡時獲得了動量。
•
The ball's momentum carried it into the net.
球的動量使其進入球網。