Physics, 18.05.2021 16:50 Tianylee2328
A building under construction requires building materials to be raised to the upper floors by cranes or elevators. A quantity of cement is lifted 76.2 m by a crane, which exerts a force on the cement that is slightly larger than the weight of the cement. If the work done in excess of the work done against gravity is 1-31 x 10'), what is the unbalanced, overall force exerted on the cement?โ
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A building under construction requires building materials to be raised to the upper floors by cranes...
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