CN203910103U - Horizontal projectile motion demonstrator - Google Patents
Horizontal projectile motion demonstrator Download PDFInfo
- Publication number
- CN203910103U CN203910103U CN201420341491.1U CN201420341491U CN203910103U CN 203910103 U CN203910103 U CN 203910103U CN 201420341491 U CN201420341491 U CN 201420341491U CN 203910103 U CN203910103 U CN 203910103U
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- track
- level throw
- throw motion
- horizontal
- motion track
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Abstract
The utility model discloses a horizontal projectile motion demonstrator, which comprises a panel, electromagnets, a power supply system, a trigger switch, metal rods, a steel ball, a laser pen, an elastic sheet, a baffle, a horizontal motion track, a horizontal projectile motion track and a base, wherein an oblique track is arranged at the upper end of a vertical panel to serve as the horizontal projectile motion track; an oblique track is arranged at the lower end of the panel to serve as the horizontal motion track in the horizontal direction; upper ends of the two tracks are provided with the electromagnets respectively; the right side of the horizontal projectile motion track is fixedly connected with the metal rods; electromagnets are fixedly arranged between the metal rods; the tail end of the horizontal projectile motion track is provided with the trigger switch; the elastic sheet is fixedly arranged at the right side of the horizontal projectile motion track; the laser pen and the elastic sheet are fixed at one side; the baffle is fixedly arranged at the left side of the horizontal projectile motion track; and the baffle and the elastic sheet are located on the same horizontal line. Isochronisms of the horizontal projectile motion, the horizontal uniform linear motion and the freely falling body motion can be verified.
Description
Technical field
The utility model relates to instruments used for education, is specifically related to a kind of level throw motion demonstration device.
Background technology
Object is dished out with certain initial velocity along continuous straight runs, if object gravitate only, such motion is called level throw motion.Level throw motion can be regarded the resultant motion of the linear uniform motion of horizontal direction and the movement of falling object of vertical direction as.The object of level throw motion, because suffered bonding force is constant force, so level throw motion is even speed change curvilinear motion, the movement locus of flat paraboloid is a para-curve.In physics teaching, relate in level throw motion teaching, do not have teaching aid intuitively can demonstrate clearly the motion process of object horizontal cast movement, and show that level throw motion is in the characteristics of motion of level and vertical direction.Thereby in student's learning process, the actual motion feature of more difficult grasp level throw motion, affects teaching efficiency.
Level throw motion demonstration device of the prior art, comprises support, flat board, slideway and spin, and slideway is positioned at dull and stereotyped side top, sticks a coordinate paper on flat board.During demonstration, allow spin from road, be positioned at dull and stereotyped side top, on flat board, stick a coordinate paper.Whether during demonstration, allow spin fall from slideway, with the naked eye judge the position of spin on coordinate paper, and with eyesight, mark successively, finally these marks are linked up, observing it is a para-curve.Such apparatus for demonstrating is demonstrated more loaded down with trivial details, and people's subjectivity impact is larger while making marks.
Summary of the invention
The purpose of this utility model is the linear uniform motion of checking level throw motion horizontal direction, the tautochronism of the movement of falling object of vertical direction and three directions of level throw motion, the motion of three directions is carried out to real-time analysis simultaneously, a kind of level throw motion demonstration device is provided, the technical solution of the utility model is: a kind of level throw motion demonstration device, comprise panel, electromagnet, power-supply system, trigger switch, Metallic rod, steel ball, laser pen, shell fragment, baffle plate, tangential movement track, level throw motion track and base, demonstration device adopts vertical panel upper end an oblique rail to be installed as level throw motion track, an oblique rail is installed as the tangential movement track of horizontal direction in panel lower end, electromagnet is installed respectively in two track upper ends, level throw motion track the right is fixedly connected with Metallic rod, between Metallic rod, fixedly mount electromagnet, level throw motion track end is installed trigger switch, shell fragment is fixedly mounted on level throw motion track right side, laser pen and shell fragment are fixed on a side, baffle plate is fixedly mounted on the flat track left side of throwing, baffle plate and shell fragment are positioned on same level line, base is provided with power-supply system, power-supply system is flexibly connected with trigger switch.
Described Metallic rod is no less than 2, electromagnet between Metallic rod 2 at least one.
Described steel ball is no less than 3 steel balls, respectively on level throw motion track, tangential movement track and electromagnet.
Described baffle plate is provided with the material that can produce magnetic with electromagnet.
Described tangential movement track peace is thrown tracks and is provided with scale.
The beneficial effects of the utility model are: the movement of falling object of the linear uniform motion of horizontal direction, vertical direction and level throw motion are compared simultaneously, when the motion of having verified three directions is grade, facilitate student to get more information about the contact between three direction characteristics of motion of level throw motion and three.Improve the demonstration effect of level throw motion demonstration device, improve the cogency of demonstration, increased the interest of demonstration, make the understanding that student can be more deep.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model circuit connection diagram.
Parts title and sequence number in figure:
Panel 1, electromagnet 2, laser pen 3, shell fragment 4, baffle plate 5, tangential movement track 6, level throw motion track 7, base 8, power-supply system 9, Metallic rod 10, trigger switch 11, steel ball 12.
Embodiment
A kind of level throw motion demonstration device, comprise panel 1, electromagnet 2, power-supply system 9, trigger switch 11, Metallic rod 10, steel ball 12, laser pen 3, shell fragment 4, baffle plate 5, tangential movement track 6, level throw motion track 7 and base 8, demonstration device adopts vertical panel 1 upper end an oblique rail to be installed as level throw motion track 7, in panel 1 lower end, an oblique rail is installed as the tangential movement track 6 of horizontal direction, electromagnet 2 is installed respectively in two track upper ends, level throw motion track 7 the right are fixedly connected with Metallic rod 10, between Metallic rod 10, fixedly mount electromagnet 2, level throw motion track 7 ends are installed trigger switch 11, shell fragment 4 is fixedly mounted on level throw motion track 7 right sides, laser pen 3 is fixed on a side with shell fragment 4, baffle plate 5 is fixedly mounted on flat track 7 left sides of throwing, baffle plate 5 is positioned on same level line with shell fragment 4, base 8 is provided with power-supply system 9, power-supply system 9 is flexibly connected with trigger switch 11.
Described Metallic rod 10 is no less than 2, electromagnet between Metallic rod 10 2 at least one.
Described steel ball 12 is no less than 3 steel balls, respectively on level throw motion track 7, tangential movement track 6 and electromagnet 2.
Described baffle plate 5 is provided with the material that can produce magnetic with electromagnet.
Described tangential movement track 6 peace are thrown tracks 7 and are provided with scale.
Embodiment 1
The utility model demonstration device adopts in vertical foam front panel 1 upper end and an oblique rail is installed as level throw motion track 7, in panel 1 lower end, an oblique rail is installed and electromagnet 2 is installed respectively for holding small ball 12 as tangential movement track 6, two track upper ends.On level throw motion track 7 the right, be fixedly connected with two Metallic rod 10, and an electromagnet 2 is installed between two Metallic rod 10, make electromagnet 2 in Metallic rod 10, hold small ball 12 and move left and right, when small ball 12 falls, can do the movement of falling object of vertical direction.At level throw motion track 7 ends, a trigger switch 11 is installed, when flat throwing steel ball is dished out, can be touched trigger switch 11 and make two electromagnet 2 power-off between Metallic rod 10, make the small ball 12 of its attraction do the movement of falling object.Connect power-supply system 9, trigger switch 11 and control and make to do the flat small ball 12 of throwing and discharges with the small ball 12 of doing tangential movement simultaneously, and make the flat steel ball 12 of throwing when dishing out, touch small ball 12 whereabouts that trigger switch makes to do the movement of falling object.The position of adjusting three small balls 12 makes three small balls 12 after three kinds of different motions, fall into foam panels 1 lower end base 8 simultaneously.Can illustrate that like this level throw motion can resolve into the at the uniform velocity straight line of horizontal direction and the movement of falling object of vertical direction.
Embodiment 2
Shell fragment 4 contact triggering beginnings 11 and laser pen 3 are separately fixed on little shooting big gun, then little shooting big gun are fixed to the appropriate location, the upper left corner of panel 1 another side, an electromagnet 2 is installed in the same horizontal line for baffle plate 5.Before demonstration, with laser pen 3, aim at baffle plate 5, then with little shooting big gun, steel ball 12 is penetrated, the handle of little shooting big gun can be by shell fragment 4 switch opens simultaneously, electromagnet 2 power-off, and baffle plate 5 drops, and changes the issuing velocity of steel ball 12, all can hit in position baffle plate.This device phenomenon is interesting, can widen student's study thinking.
Claims (4)
1. a level throw motion demonstration device, comprise panel (1), electromagnet (2), power-supply system (9), trigger switch (11), Metallic rod (10), steel ball (12), laser pen (3), shell fragment (4), baffle plate (5), tangential movement track (6), level throw motion track (7) and base (8), it is characterized in that, demonstration device adopts vertical panel (1) upper end an oblique rail to be installed as level throw motion track (7), an oblique rail is installed as the tangential movement track (6) of horizontal direction in panel (1) lower end, electromagnet (2) is installed respectively in two track upper ends, level throw motion track (7) the right is fixedly connected with Metallic rod (10), between Metallic rod (10), fixedly mount electromagnet (2), level throw motion track (7) end is installed trigger switch (11), shell fragment (4) is fixedly mounted on level throw motion track (7) right side, laser pen (3) is fixed on a side with shell fragment (4), baffle plate (5) is fixedly mounted on flat track (7) left side of throwing, baffle plate (5) is positioned on same level line with shell fragment (4), base (8) is provided with power-supply system (9), power-supply system (9) is flexibly connected with trigger switch (11).
2. level throw motion demonstration device according to claim 1, is characterized in that, described Metallic rod (10) is no less than 2, few one of the electromagnet between Metallic rod (10) (2 to).
3. level throw motion demonstration device according to claim 1, is characterized in that, described steel ball (12) is no less than 3, respectively on level throw motion track (7), tangential movement track (6) and electromagnet (2).
4. level throw motion demonstration device according to claim 1, is characterized in that, described tangential movement track (6) peace is thrown tracks (7) and is provided with scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420341491.1U CN203910103U (en) | 2014-06-25 | 2014-06-25 | Horizontal projectile motion demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420341491.1U CN203910103U (en) | 2014-06-25 | 2014-06-25 | Horizontal projectile motion demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910103U true CN203910103U (en) | 2014-10-29 |
Family
ID=51784360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420341491.1U Expired - Fee Related CN203910103U (en) | 2014-06-25 | 2014-06-25 | Horizontal projectile motion demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104077941A (en) * | 2014-06-25 | 2014-10-01 | 南宁市第二中学 | Horizontal cast motion demonstrator |
-
2014
- 2014-06-25 CN CN201420341491.1U patent/CN203910103U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104077941A (en) * | 2014-06-25 | 2014-10-01 | 南宁市第二中学 | Horizontal cast motion demonstrator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20170625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |