The tower crane is used to hoist a 2.3-Mg load upward at constant velocity The 1.3-Mg jib BD and 0.4-Mg jib BC have centers of mass at G, and G2, respectively. (Figure 1) Part A Determine the required mass of the counterweight C so that the resultant moment produced by the load and the weight of the tower crane jibs about point A is zero. The center of mass for the counterweight is located at Ga. Express your answer to three significant figures and include the appropriate units HA Mc = Value Units Figure < 1 of 1 > Submit Request Answer 9.5m G -75 m Provide Feedback Next > 12.5 m 23 m 1stiMG.jpg Show all

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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.