Clip of quote: Force required to lift is reduced by the sine of the angle of the stairs... Clip of quote: Force required to lift is reduced by the sine of the angle of the stairs... Yarn is the best way to find video clips by quote. Find the exact moment in a TV show, movie, or music video you want to share. Easily move forward or backward to get to the perfect spot. It's available on the web and also on Android and iOS.
Force required to lift is reduced by the sine of the angle of the stairs...
Image of Force required to lift is reduced by the sine of the angle of the stairs...
Force required to lift is reduced by the sine of the angle of the stairs...
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