Friction free incline
A woman is pushing a piano up a ram at aconstant velocity that is 30 degrees above the horizon. the piano is 200 kg. the force she is applying is parralell to the Friction free incline
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Calculate the pressure (in pascals and atmospheres) exerted by a mass of 1.0 kg pressing through the point of a pin of area 1.0 x 10-2 mrrr' at the surface of the Earth. Hint. The force exerted by a mass m due to gravity at the surface of the Eart
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