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The pulley system shown in Figure 6-25 is used to lift a 39 kg crate. Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to the crate. Assume that the masses of the chains, pulleys, and ropes are negligible and the crate is rising with an acceleration of 2.9 m/s2.

(a) Determine the force.

(b) Determine the tension in the upper chain.

(c) Determine the tension in the lower chain.

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  • Category:- Physics
  • Reference No.:- M9396598

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