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A Tower Crane must always be careful

label Physics
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A tower crane must always be carefully balanced so that there is no net torque tending to tip it.  A particular crane at a building site is about to lift a 2800-kg air conditioning unit.  The crane’s dimensions are given in the figure.  (a) Where must the crane’s 9500-kg counterweight be placed when the load is lifted from the ground?  (b) Determine the maximum load that can be lifted with this counterweight when it is placed at its full extent.

Apr 10th, 2015

a) 2.3 m
b) 4200 kg

Apr 10th, 2015

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Apr 10th, 2015
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Apr 10th, 2015
Sep 22nd, 2017
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