Table of Contents
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MECHANICS
Laboratory
Constructions
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WARNING
In order to ensure correct
function
of
the
electric
motor, a small quantity of
grease is added during the
manufacturing process. As
grease can melt at high
temperatures, it may dirty
the motor. However, it can
simply be wiped off with a
piece of kitchen paper or a
napkin. The grease used is
neither toxic nor hazardous.
y
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Only for use by children aged 8 years and older.
Instructions for parents are included and have to
WARNING!
be observed.
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Related Manuals for Clementoni Science & Play TechnoLogic Mechanics Laboratory 75025
Summary of Contents for Clementoni Science & Play TechnoLogic Mechanics Laboratory 75025
- Page 1 MECHANICS Laboratory Constructions Stacking two beams Build a class 3 lever: tongs Stacking beams with two pegs Build the lever's fulcrum and weight Joining beams Assemble and test a mechanically advantaged lever Stacking three beams Assemble and test a mechanically neutral lever Stacking beams perpendicularly Assemble and test a mechanically disadvantaged lever Stacking with an angled beam...
- Page 2 INSTRUCTIONS FOR SUPERVISING ADULTS: this toy is suitable for children aged 8 years and over. Adult supervision is recommended during assembly and when handling and installing electrical components. REMOVING AND INSTALLING THE BATTERIES Make sure that the equipment is switched off. Use a screwdriver to loosen the screw that secures the cover to the battery chamber.
- Page 3 Domestic users (non-professional) are invited to contact their local retailer, the public waste disposal authorities or the Customer Service Department of CLEMENTONI S.p.A. (Tel. +39 071 75811; fax +39 071 7581234; e-mail: info@clementoni. it) for further information about the correct way to dispose of the product.
- Page 4 INTRODUCTION The MECHANICS LABORATORY is a construction toy system that enables children to create all kinds of machines, from simple models like pincers, tongs and carts, to more complex assemblies like cars and cranes with electric motors. The illustrated booklet consists of three parts and describes all the steps necessary to build each model. It is essential to refer to this booklet, starting with Part I and then moving on to Part II and finally Part III.
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Page 5: Parts List
PARTS LIST Double beam 15 holes 4 pcs Single beam 3 holes 4 pcs Angled beam (top) 4 pcs Double beam 11 holes 4 pcs Angled beam (bottom) 2 pcs Double beam 9 holes 4 pcs Short single peg 32 pcs Double beam 7 holes 4 pcs Long single peg... - Page 6 Car body 2 pcs Cogwheel with teeth 1 pc Cogwheel with teeth 5 pcs Cogwheel with teeth 1 pc String (150 cm long) 1 pc Cogwheel with teeth 1 pc Spool 1 pc Electric motor 1 pc Pulley 4 pcs Battery compartment 1 pc Hook 1 pc...
- Page 7 ACTIVITIES Before you start building, observe carefully how the parts of the kit are made! If you get stuck, ask an adult for help. WARNING! • Take care when detaching the parts from the plastic frame. Use your hands to gently rotate each element.
- Page 8 Stacking three beams Assembled beams Stacking beams perpendicularly Assembled beams Stacking with an angled beam Assembled beams...
- Page 9 Build a square with beams Final assembled model Stacking four beams Final assembled model...
- Page 10 Build a cuboid Semi-assembled model Final assembled model...
- Page 11 Build a simple bridge Final assembled model Assemble cogwheels on a rod Final assembled model Try it out as a spinning top! Using pulleys Create a pulley system using the pulley Transform the pulley into a wheel with the elastic band. and string.
- Page 12 SIMPLE MACHINES Since ancient times humans have made use of many of these mechanisms to increase our strength and accomplish much Pincers greater things than we could Wheelbarrow with our bodies alone. Nutcracker Seesaw Scales Pulley RESISTANCE A simple machine is a mechanical device that can be used to balance and overcome (weight, resistance force = R) with EFFORT (human strength=E).
- Page 13 Build a class 1 lever: pincers THE FULCRUM lies between the RESISTANCE and the EFFORT. Final assembled model...
- Page 14 Build a class 2 lever: nutcracker RESISTANCE lies between EFFORT the FULCRUM. Final assembled model Build a class 2 lever: wheelbarrow X4 X4 RESISTANCE lies between the EFFORT and the FULCRUM. Final assembled model...
- Page 15 Build a class 3 lever: tongs EFFORT lies between the RESISTANCE the FULCRUM. Final assembled model...
- Page 16 Scientific analysis: mechanical advantage with levers A lever is a simple machine built by man designed to reduce the force needed to do work. There are two forces that are applied to the bar: one is the EFFORT and the other is the RESISTANCE. A lever provides a MECHANICAL ADVANTAGE.
- Page 17 ASSEMBLING THE WEIGHT Assembled weight In Activities 29-30-31 try moving the fulcrum and then applying down- ward pressure to the EFFORT arm with your hand to see the differences between the levers. Assemble and test a mechanically advantaged lever FULCRUM EFFORT Find the equilibrium of this type of mechanical device: position the weight (RESISTANCE) on one...
- Page 18 Assemble and test a mechanically neutral lever FULCRUM EFFORT Find the equilibrium of this type of mechanical device: position the weight (RESISTANCE) on one side of the lever and gently press down with your hand (EFFORT) on the other side. RESISTANCE Note the position of the fulcrum! •...
- Page 19 Assemble a set of scales The scales are is a class 1 lever TRY IT OUT! Final assembled model Build and test a seesaw...
- Page 20 In the third century BC, Archimedes was a great scientist and experimenter with levers. Note: the lever of the seesaw must rotate freely around the fulcrum. Try it yourself: find the equilibrium of the seesaw by varying the weight and distances from the fulcrum of the Resistance and Effort forces.
- Page 21 COGWHEELS Cogwheels transmit motion between suitably positioned axles (rods) via teeth. • In a pair of cogwheels, if one turns in one direction the other turns in the opposite direction. One of the two wheels transmits the motion (driving wheel) while the other receives it (driven wheel). •...
- Page 22 Anticlockwise Clockwise Final assembled model...
- Page 23 Build and test forward rotation Stand assembled in Activity 34 Clockwise Clockwise Final assembled model...
- Page 24 Assemble and test reciprocating motion Stand assembled in Activity 34 180° Final assembled model...
- Page 25 Build and observe right-angle rotation Stand assembled in Activity 34 180° X5 X2 The two cogwheels must engage with each other at right angles, with the two rods almost touching. Final assembled model...
- Page 26 Assemble a vertical gearbox Stand assembled in Activity 34 180° 180° Final assembled model...
- Page 27 Build a horizontal to vertical gearbox Stand assembled in Activity 38 GEAR RATIO Watch the cogwheels carefully as they turn and compare the number of rotations completed by each wheel. By the time the larger cogwheel has completed one rotation the smaller one will have completed four. You can confirm this by dividing or working out the ratio between the number of teeth on each Final assembled model...
- Page 28 An ancient war machine: the battering ram...
- Page 29 Final assembled model...
- Page 30 Build a catapult Technical facts and curiosities Third century BC Archimedes perfected the catapult, a war machine in use in Greece at the time of Alexander the Great. It is a torsion machine which, in his time, drew its energy from tightening bundles of rope and hair (torsion ropes).
- Page 31 Final assembled model...
- Page 32 Clementoni S.p.A. Zona Industriale Fontenoce, s.n.c. - 62019 Recanati (MC) - Italy Tel. +39 071 75 811 - Fax +39 071 75 81234 www.clementoni.com...
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