centripetal 

13376
GRE
单词释义
adj.向心的
词根词缀记忆/谐音联想记忆 补充/纠错
词根词缀
centri 中心;中间 + pet 寻求 + al …的→ 寻求中心的 → 向心的 → centripetal adj.向心的
词根记忆 / 词缀记忆
centripetal a 向心的(centri中心+per+al=追求中心的)
pet=seek,表示”追寻,寻求”
petition n 请愿,申请(pet+ition=追寻状态=请愿)
petitioner n 请愿者(pet …………
词组和短语补充/纠错
centripetal force 向心力
centripetal acceleration 向心加速度
单词例句
The centripetal force keeps the rollercoaster car moving in a circular path.
向心力使过山车在圆形轨道上保持运动。
In circular motion, the centripetal acceleration always points towards the center of the circle.
在圆周运动中,向心加速度总是指向圆心。
The tension in the string provides the necessary centripetal force for the spinning ball.
绳子的张力为旋转的球提供了所需的向心力。
Centripetal force is responsible for holding the planets in their orbits around the sun.
向心力负责维持行星绕太阳运行的轨道。
During cornering, the friction between the tires and the road provides the centripetal force required to turn the vehicle.
在转弯时,轮胎与道路之间的摩擦提供了车辆转向所需的向心力。
The centripetal acceleration experienced by an object in uniform circular motion is directly proportional to the square of its speed.
匀速圆周运动中物体所经历的向心加速度与其速度的平方成正比。
A centrifuge uses centripetal force to separate substances of different densities.
离心机利用向心力分离不同密度的物质。
In an amusement park ride, centripetal force keeps passengers pressed against the wall as the room spins.
在游乐场的旋转设施中,向心力使乘客在房间旋转时紧贴墙壁。
The formula for centripetal force is F = mv^2/r, where m is mass, v is velocity, and r is radius of the circular path.
向心力的公式是F = mv^2/r,其中m是质量,v是速度,r是圆周路径的半径。
When ice-skating, the skater pulls their arms inwards to increase the centripetal force and thus spin faster.
滑冰时,滑冰者将手臂向内拉以增加向心力,从而更快地旋转。
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