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San Jose State University *

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95

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Mechanical Engineering

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Oct 30, 2023

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pdf

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8

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12/13/2020 Assignment Print View https://ezto.mheducation.com/hm.tpx?todo=C15PrintView&wid=13252714023501465&role=student&sid=13252715104836916 1/8 Score: 40/40 Points 100 % NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A steel ingot weighing W = 8045 lb is lifted by a pair of tongs as shown. References Section Break Difficulty: Medium
12/13/2020 Assignment Print View https://ezto.mheducation.com/hm.tpx?todo=C15PrintView&wid=13252714023501465&role=student&sid=13252715104836916 2/8 1. Award: 10 out of 10.00 points Determine the forces exerted at C and E on the tong BCE . The force exerted at C on the tong BCE is 4.68 kips. The force exerted at E on the tong BCE is 6.17 kips. 40.7 ° References Worksheet Difficulty: Medium Determine the forces exerted at C and E on the tong BCE . The force exerted at C on the tong BCE is kips. → The force exerted at E on the tong BCE is kips. ° Explanation: The free-body diagram of the ingot is By symmetry, Since CD is a two-force member, The free-body diagram of tong BCE is 4.6807 ± 2% 6.1717 ± 2% 40.6749 ± 2%
12/13/2020 Assignment Print View https://ezto.mheducation.com/hm.tpx?todo=C15PrintView&wid=13252714023501465&role=student&sid=13252715104836916 3/8
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12/13/2020 Assignment Print View https://ezto.mheducation.com/hm.tpx?todo=C15PrintView&wid=13252714023501465&role=student&sid=13252715104836916 4/8 NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. The pliers shown are used to grip a 0.3-in.-diameter rod. Assume that two forces P = 76 lb are applied to the handles. References Section Break Difficulty: Medium
12/13/2020 Assignment Print View https://ezto.mheducation.com/hm.tpx?todo=C15PrintView&wid=13252714023501465&role=student&sid=13252715104836916 5/8 2. Award: 10 out of 10.00 points Determine the amount of force exerted on the rod. (You must provide an answer before moving on to the next part.) The force exerted on the rod is 601.7 lb. References Worksheet Difficulty: Medium Determine the amount of force exerted on the rod. (You must provide an answer before moving on to the next part.) The force exerted on the rod is lb. Explanation: The free-body diagram of the portion AB is, 601.667 ± 2%
12/13/2020 Assignment Print View https://ezto.mheducation.com/hm.tpx?todo=C15PrintView&wid=13252714023501465&role=student&sid=13252715104836916 6/8 3. Award: 10 out of 10.00 points Determine the force exerted by the pin at A on portion AB of the pliers. The force exerted by the pin at A is 668.5 lb 63.3°. References Worksheet Difficulty: Medium Determine the force exerted by the pin at A on portion AB of the pliers. The force exerted by the pin at A is lb 63.3°. Explanation: 668.565 ± 2% .
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12/13/2020 Assignment Print View https://ezto.mheducation.com/hm.tpx?todo=C15PrintView&wid=13252714023501465&role=student&sid=13252715104836916 7/8 4. Award: 10 out of 10.00 points In using the bolt cutter shown, a worker applies two forces to the handles. Determine the magnitude of the forces exerted by the cutter on the bolt when P = 320 N. The magnitude of the force exerted by the cutter on the bolt is 47.8 kN. References Worksheet Difficulty: Medium In using the bolt cutter shown, a worker applies two forces to the handles. Determine the magnitude of the forces exerted by the cutter on the bolt when P = 320 N.
12/13/2020 Assignment Print View https://ezto.mheducation.com/hm.tpx?todo=C15PrintView&wid=13252714023501465&role=student&sid=13252715104836916 8/8 The magnitude of the force exerted by the cutter on the bolt is kN. Explanation: 47.79 ± 2%

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