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Pasco Scientific ME-9447, Инструкция по эксплуатации и руководство по экспериментам

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Pasco Scientific ME-9447 Скачать руководство пользователя страница 13

9

012-04715B

Force Table

®

Appendix

Storage

The force table may be stored with or without the pulleys and pulley clips attached. To minimize the storage space
needed for the force table, remove the legs by unscrewing them from the table. Then put the legs in the clips that
are on the underside of the force table. Then the force tables are ready to be stacked on a shelf.

Protractor

The protractors on the following pages are smaller versions of the top surface of the Force Table. These can be
duplicated, trimmed and used as overlays on the Force Table for drawing and tracing of the string positions.

Содержание ME-9447

Страница 1: ...nstruction Manual and Experiment Guide for the PASCO scientific Model ME 9447 012 04715 4 96 Revision B Force Table CAUTION CAUTION Model Me 9447 FORCE TABLE PASCO scientific Copyright November 1991 5 00 ...

Страница 2: ......

Страница 3: ...12 04715B Force Table i Table of Contents Section Page Copyright andWarranty ii Equipment Return ii Introduction 1 Equipment 1 Assembly 2 Experiment 1 Vector Addition 5 Appendix 9 Storage 9 Protractor 10 ...

Страница 4: ...the equipment for return ship ment will not be covered by the warranty Shipping costs for returning the equipment after repair will be paid by PASCO scientific Copyright Warranty and Equipment Return Please Feel free to duplicate this manual subject to the copyright restrictions below Credits This manual authored edited by Jon and Ann Hanks Equipment Return Should the product have to be returned t...

Страница 5: ...e string to be lowered close to the angle markings on the table reducing the parallax in reading the angle Equilibrium can be obtained by centering a knot which gives greater precision or by centering the conventional ring Spool of Thread Plastic Ring Equipment The ME 9447 Force Table includes the following Force Table Assembly with Center Post and three Detachable Legs Three Super Pulley Clamps T...

Страница 6: ...e There are two ways to attach the strings to the table The first way uses the conventional ring in the center of the table and the second way uses an anchor string through the hole in the center of the table The advan tage of the anchor string is that a higher precision can be achieved because a single knot is being centered instead of the massive ring The anchor string keeps the masses from fall...

Страница 7: ...1 0 320 330 340 350 0 20 40 6 0 80 100 1 2 0 1 4 0 16 0 180 20 0 2 2 0 2 4 0 260 280 3 0 0 320 340 PASCO scientific Model ME 9447 FORCE TABLE 200 GRAMS MAXIMUM ON MASS HANGERS CAUTION 200 GRAMS MAXIMUM ON MASS HANGERS CAUTION Figure 3 Anchor Method of Stringing Force Table Force Table Clamp with Pulley String String Anchor String Center Post NOTE A string can be attached to the PASCO mass hanger b...

Страница 8: ...4 012 04715B Force Table ...

Страница 9: ...caused by the mass hanging over the pulley is found by multiplying the mass by the acceleration due to gravity Experimental Method Two forces are applied on the force table by hanging masses over pulleys positioned at certain angles Then the angle and mass hung over a third pulley are adjusted until it balances the other two forces This third force is called the equilibrant FE since it is the forc...

Страница 10: ...angle So the components of the resultant Rx and Ry must be combined using the Pythagorean Theorem since the components are at right angles to each other FR R2 R2 tan θ Rx Ry And using trigonometry gives the angle Graphical Method Two forces are added together by drawing them to scale using a ruler and protractor The second force FB is drawn with its tail to the head of the first force FA The resul...

Страница 11: ...s the force which establishes equilibrium The equilibrant is the negative of the resultant FE FR FA FB Record the mass and angle required for the third pulley to put the system into equilibrium in Table 1 To determine whether the system is in equilibrium use the following criteria Ring Method of Finding Equilibrium The ring should be centered over the post when the system is in equilibrium Screw t...

Страница 12: ...tion to the resultant Record the results in Table 1 Graphical Method On a separate piece of paper construct a tail to head diagram of the vectors of Force A and Force B Use a metric rule and protractor to measure the magnitude and direction of the resultant Record the results in Table 1 Remember to record the direction of the equilibrant which is opposite in direction to the resultant How do the t...

Страница 13: ...gs by unscrewing them from the table Then put the legs in the clips that are on the underside of the force table Then the force tables are ready to be stacked on a shelf Protractor The protractors on the following pages are smaller versions of the top surface of the Force Table These can be duplicated trimmed and used as overlays on the Force Table for drawing and tracing of the string positions ...

Страница 14: ...30 40 5 0 6 0 7 0 8 0 90 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5 0 1 6 0 1 7 0 180 1 9 0 2 0 0 2 1 0 2 2 0 2 3 0 2 4 0 2 5 0 2 6 0 270 2 8 0 2 9 0 3 0 0 3 1 0 320 330 340 350 0 20 40 6 0 8 0 1 0 0 1 2 0 1 4 0 1 6 0 180 2 0 0 2 2 0 2 4 0 2 6 0 2 8 0 3 0 0 320 340 ...

Страница 15: ...0 90 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 1 5 0 1 6 0 1 7 0 180 1 9 0 2 0 0 2 1 0 2 2 0 2 3 0 2 4 0 2 5 0 2 6 0 270 2 8 0 2 9 0 3 0 0 3 1 0 320 330 340 350 0 20 40 6 0 8 0 1 0 0 1 2 0 1 4 0 1 6 0 180 2 0 0 2 2 0 2 4 0 2 6 0 2 8 0 3 0 0 320 340 Protractor Template ...

Страница 16: ...12 012 04715B Force Table ...

Страница 17: ...his makes descriptions of individual parts much easier If your problem relates to the instruction manual note Part number and Revision listed by month and year on the front cover Have the manual at hand to discuss your questions Feed Back If you have any comments about this product or this manual please let us know If you have any sugges tions on alternate experiments or find a problem in the manu...

Страница 18: ......

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