An upward force must be exerted on it so as to lift an object.

要提起重物必须向它施加一个向上的力。

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This upward force acting on your buoy is your support structure.

这种对你上半身的向上的力就是你的支撑结构。

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The upward force that a fluid exerts on an object less dense than itself.

施加给比自己密度小的物体的向上作用的力。

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Cyclical stocks should perform handsomely in 2013, as improving fundamentals and rock bottom expectations force an upward reassessment of valuations.

FORBES: Small-Caps Could Usher In The New Year With A Bang

According to Schauberger's copious notes, the Nazi-funded device generated such a powerful levitational force that it shot upward and smashed into a hangar ceiling.

FORBES: Magazine Article

Even less normal for an Anglican church in the Georgian period is the outward emphasis on the force of gravity rather than any upward possibility of heavenly grace.

WSJ: St. Mary Woolnoth | Nicholas Hawksmoor | Fortress of God | Masterpiece by Richard B. Woodward