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Structures System – Hydraulics Hydraulic and Pneumatic Structures ME-6984 Add a hydraulic/pneumatic ram to make your structures move and do work. Not only will students see the cranes and bridges in action, they can directly measure the pressure and volume to calculate how much work was done. Drawbridge is built using Large Structures Set shown on page 18. Student uses a syringe to raise the drawbridge. Valves are used with the syringe to pump up this fork lift. The use of different size syringes shows how a smaller force requires a greater number of pumps to do the same amount of work as a larger force. An Ideal Gas Law Syringe (TD-8596A), which has an internal thermistor, is used to pump air into the cylinder. A Pressure/Temperature Sensor (PS-2146) records the air pressure and temperature while the Rotary Motion Sensor (PS-2120) records the movement. Pressure and volume are recorded as the weight is lifted, and the work done is the area under the curve. Rotary Motion Sensor Pressure Sensor The weight is lifted using a syringe of water to fill the master cylinder. An Absolute Pressure Sensor (PS-2107) measures the pressure and a Rotary Motion Sensor (PS-2120) records the movement of the piston. Order Information: Includes Master Cylinder Pressure Sensor “T” Check Valves and Tubing 10 ml Syringe 20 ml Syringe 60 ml Syringe Drive belt for Rotary Motion Sensor (Not shown) 14 Hydraulic/Pneumatic Structures ....................................................ME-6984 Shown in use with: Large Structures Set* ..............................................................................ME-7003 Advanced Structures Set* ...................................................................ME-6992B Steel Rod (45 cm) ........................................................................................ME-8736 Absolute Pressure Sensor ....................................................................PS-2107 Rotary Motion Sensor ..............................................................................PS-2120 Pressure/Temperature Sensor ..........................................................PS-2146 Ideal Gas Law Syringe ............................................................................TD-8596A *Patents pending www.pasco.com/engineering
Structures System – Cast Beams Cast Beam Structures Set ME-7009 Make your own cast beams which look like pre-stressed concrete beams. Test them and you’ll find they perform like them, too. These beams are cast with a mixture of sand and plaster of Paris (not included). The rebar is made of the same plastic used for the I-beams. Students can explore how the strength of the beam is affected by the amount of tension put on the rebar, the mixture of sand and plaster of Paris, or using one or two rebar. The graph of hanging mass versus displacement shows the relative strengths of three beams: One cast beam made with no preload; one cast beam made with 60 N of pre-load; and one normal plastic I-beam. Notice that the traces for the cast beams show discontinuities when the beams cracked. Also notice that the pre-loaded cast beam is stronger than the plastic I-beam until the cast beam cracks. Tension Fixture Displacement Sensor Cast Beam Both the tension fixture and the test fixture can be built concurrently with this set. The beam rebar is kept under tension while the beam is drying. Test Fixture Displacement of beam is measured as load is increased. Rebar Cast Beam Mold Step 1: The rebar with connecting ends snaps into the plastic mold. Step 2: Insert rebar into tensioning apparatus and pour a mixture of sand and plaster of Paris into the mold. Step 3: After it dries, it is easy to remove the flexible plastic mold from the cast beam. Cast Beam Structures Set ME-7009 Includes I-Beam #5 (8) 24 cm long Collets (24) I-Beam #4 (18) 17 cm long Screws (150) I-Beam #3 (18) 11.5 cm long Pulleys, O-rings, spacers (12 ea.) I-Beam #2 (8) 8 cm long Sliding connector (12) I-Beam #1 (8) 5.5 cm long Reusable Plastic Molds (10) Axles (2 ea. of 3 lengths) Rebar (30) Connectors (14) Yellow cord (1 roll) Cord tensioning clips (32) Instruction manual Round and flat connectors (6 ea.) Required but not included: PAStrack fasteners (6) Sand and Plaster of Paris Angle and straight connectors (24 ea.) Measure Young’s Modulus for the rebar. The connecting ends can be cut off from the rebar allowing the rebar to fit into the Stress/Strain Apparatus (AP-8213). Cast Beam Spares ME-6983 Consumable replacement parts for Cast Beams. These can also be used with the Advanced Structures Set (page 12). Includes 10 Reusable Plastic Molds 30 Rebar with Connectors Order Information: Cast Beam Spares ....................ME-6983 Order Information: Cast Beam Structures Set ................ME-7009 Also shown in use on this page: Displacement Sensor ...........................PS-2204 Stress/Strain Apparatus .....................AP-8213 Base and Support Rods ......................page 109 Large Slotted Mass sets ....................page 107 www.pasco.com/engineering 15
Page 1 and 2: Unique Solutions for Engineering Ed
Page 3 and 4: New Products - Table of Contents La
Page 5 and 6: Data Acquisition—ScienceWorkshop
Page 7 and 8: Data Acquisition—PASPORT ® 5 Ove
Page 9 and 10: 4. Control a Relay Using Xplorer GL
Page 11 and 12: Structures System - Load Cells and
Page 13 and 14: Structures System - Bridge Set Brid
Page 15: Destructible.Bridge.Members ME-7004
Page 19 and 20: Structures System Combine the rigid
Page 21 and 22: Structures System - Replacement Spa
Page 23 and 24: Tensile Tester Material Strength Al
Page 25 and 26: Statics Demonstrations in Statics I
Page 27 and 28: Statics Support Reactions Force.Dis
Page 29 and 30: Mechanics Dynamics Systems P Collis
Page 31 and 32: Motorized Cart Motorized.Cart ME-97
Page 33 and 34: Projectile.Catcher.Accessory ME-681
Page 35 and 36: Ballistic Pendula Ballistic Pendulu
Page 37 and 38: Demonstration Spring Set ME-9866 Th
Page 39 and 40: Resonance Resonance Three examples
Page 41 and 42: Resonance Demonstrate resonance in
Page 43 and 44: Rotational.Inertia.Wands ME-9847 Th
Page 45 and 46: Gyroscopic Motion Demonstration Gyr
Page 47 and 48: Energy Design your own Roller Coast
Page 49 and 50: Energy Dissectible Fuel Cell SE-883
Page 51 and 52: Solar Energy Energy Transfer - Sola
Page 53 and 54: Energy Energy Transfer - Hydro Acce
Page 55 and 56: Human Body Mechanics Working Human
Page 57 and 58: Human Body Mechanics Measure accele
Page 59 and 60: EKG PS-2111 The EKG Sensor measures
Page 61 and 62: Biology Aquatic Productivity Bottle
Page 63 and 64: Aerial photograph in My World GIS s
Page 65 and 66: Environmental EcoZone.System ME-666
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Water Quality Colorimeter PS-2179 E
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Colorimeter PS-2121 Chemical Engine
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Absolute Zero Sphere TD-8595 P Cons
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Temperature.Array PS-2157 This arra
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Thermodynamics - Conduction/Calorim
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Thermodynamics - Equivalent of Heat
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Thermodynamics - Thermal Expansion
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Thermodynamics - Thermoelectric The
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Thermodynamics - Stirling Engines G
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Thermodynamics - Heat Engine SmallP
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Fluids Bernoulli Cart Accessory ME-
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Understanding Pressure Kit SE-7329
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Density Density Sets Density.Set P
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Electromagnetism Magnetic Levitatio
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1.5 meter tube AC/DC Motor (Accesso
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Field Mappers 3-D Magnetic Field De
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Electricity What does resistance de
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Programmable DC Power Supply PI-987
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AC/DCCircuitBoard EM-8656 P Springs
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Ground Glass Lenses (set of 6) SE-9
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Optics Scan Diffraction Patterns P
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Mechanical Supplies MeterStick(6pac
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Lab Supplies Large Rod Base ME-8735
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Linear Motion Accessory ...........
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PASCO Support Making decisions on w
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