Tensile Test Instructions and Data Form_2011C

Tensile Test Instructions and Data Form_2011C - Tensile...

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Tensile Capacity Determination of Stick Magnets by Application of Equilibrium of Torques (Moments) Objective: There are two objectives for this laboratory: a) Apply the principles of torque (moment) equilibrium to conduct a tensile load test to the magnet sticks. b) To determine the minimum, mean, and maximum tensile load capacity for a set of stick magnets. Equipment: a) Lego test rig. b) Test masses. c) ruler with 1/16 in. increments, 6 to 12 inches long, or 1 mm increments 15 to 30 cm long. d) 1 stick magnet and 2 spheres. e) magnetic compass. f) felt marking pen. g) mass balance. Procedure: 1) Get three stick magnets and three spheres from your kit. Check the ends of the stick magnets to make sure that the steel surface is not covered with plastic then weigh the stick magnet, and spheres, and record their mass, Table A. Convert the mass to English units for load. 2) Use the compass to identify the North end of the stick magnet. The needle of a compass points North as it is attracted to the North pole of the Earth. This means that the needlepoint is actually a South pole. So, if an end of stick magnet attracts the compass needle, then that end of the magnet is a North pole, and if the compass needle is repelled, then it is a South pole. Mark the North pole of the magnet. 3) Locating center of gravity, or center of mass, of loading arm. a.
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Tensile Test Instructions and Data Form_2011C - Tensile...

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