这意味着,当你向上加速时,当电梯加速时,弹簧上的读数会更大,你会感到沉重。
It means, when you are accelerating upwards, as the elevator picks up speed, the reading on the spring will be more and you will feel heavy.
不要把沿圆周的切向加速度与向心加速度混淆。
Do not confuse ever the tangential acceleration, which is along the circumference, with centripetal acceleration.
它利用全球定位系统来测量汽车的速度,利用加速计来测量加速,刹车和转弯时汽车所受到的力。
It USES GPS to measure a vehicle's speed and a set of accelerometers to measure the forces acting on the car as it accelerates, brakes and turns.
All that is solid melts into air," Karl Marx said, evoking the accelerating transformation of modern economic and social life.
正如卡尔马克思所说,“一切坚不可摧的都烟消云散了“,唤起了现代经济和社会生活,产生变革的加速。
Now, gravity, well force, is equal to mass times acceleration, g and the acceleration due to gravity is g.
是重力,等于质量乘以加速度,由重力导致的加速度是。
They take an atom of lead, accelerate it and have it collide with an atom of nickel.
他们选取一个铅原子,将其加速,让它与镍的原子碰撞。
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