Apps-On-Physics/C2/Simple-Machines/English - Revision history

Madhurig at 09:23, 15 December 2021

2021-12-15T09:23:41Z

Karwanjehimanshi95 at 05:29, 5 June 2020

2020-06-05T05:29:36Z

Karwanjehimanshi95 at 11:40, 8 July 2019

2019-07-08T11:40:57Z

Karwanjehimanshi95 at 11:49, 20 May 2019

2019-05-20T11:49:49Z

Karwanjehimanshi95 at 11:45, 20 May 2019

2019-05-20T11:45:55Z

Karwanjehimanshi95 at 08:57, 30 April 2019

2019-04-30T08:57:27Z

Nancyvarkey at 09:43, 26 April 2019

2019-04-26T09:43:17Z

Karwanjehimanshi95 at 07:39, 25 April 2019

2019-04-25T07:39:06Z

Karwanjehimanshi95 at 05:56, 15 April 2019

2019-04-15T05:56:39Z

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Karwanjehimanshi95 at 12:14, 11 April 2019

2019-04-11T12:14:36Z

@@ Line 389: / Line 389: @@
 '''Assignment'''
-On the same side of the fulcrum, if a block weighing 5 N is kept at 0.5 m and a block weighing 3 N is kept at 0.6 m, then how far a block weighing 7 N should be kept on the other side of the fulcrum to achieve a balance condition.
+A block weighing 5 N is kept at 0.5 m and a block weighing 3 N is kept at 0.6 m on the same side of the fulcrum.
 ||As an assignment solve this numerical.

@@ Line 10: / Line 10: @@
 '''Title Slide'''
 ||Welcome to this spoken tutorial on '''Simple Machines'''.
 |-
 ||'''Slide Number 2 '''
-'''Learning objective '''
+'''Learning objectives '''
-||In this tutorial we will demonstrate,
+||In this tutorial we will learn to,
-Pulley system
+Simulate the working of a pulley system.
 |-
 ||'''Slide Number 3'''
@@ Line 34: / Line 40: @@
 ||To follow this tutorial,
 learner should be familiar with topics in basic physics.
 |-
 ||'''Slide Number 5'''
 '''Pulley'''
@@ Line 73: / Line 69: @@
 wells, escalators, rock climbing, flag poles and others.
 |-
-||'''Slide Number 7'''
+||'''Slide Number 6'''
 Link for '''Apps on physics''' .
 '''https://www.walter-fendt.de/html5/phen/'''
 ||Use the given link to download the '''Apps'''.
 '''https://www.walter-fendt.de/html5/phen/'''
 |-
 ||Point to the file in the downloads folder.
 ||I have already downloaded '''Apps on Physics '''to my '''Downloads''' folder.
 |-
 ||Point to '''html5phen''' folder in the '''Downloads '''folder.
@@ Line 394: / Line 400: @@
 '''Summary'''
-||Using these '''Apps''' we have
+||In this tutorial we have,
-* Observed how a pulley system works.
+* Simulated the working of a pulley system.
 * Calculated the necessary force to pull the load.
-* Observed the working of a lever.
+* Achieved a balance condition for the lever.
-* Explained how to achieve a balance condition.
+* Calculated the torque.
 |-

@@ Line 3: / Line 3: @@
 {|border=1
-|| '''Time'''
+|| '''Visual Cue'''
 || '''Narration'''
 |-

@@ Line 233: / Line 233: @@
 '''F= (W<sub>l</sub>+ W<sub>p</sub>)/4'''
-'''W<sub>l</sub>''' is weight of the load.
+'''W<sub>l</sub>''' is '''weight of the load'''.
-'''W<sub>p</sub> '''is weight of the loose pulley.
+'''W<sub>p</sub> '''is '''weight of the loose pulley'''.
 |-
 ||Edit the '''Weight of the loose pulley to 20 '''Newton'''.

@@ Line 61: / Line 61: @@
-||First we will define a pulley
+||First we will define a pulley.
 A pulley is a simple machine that is used to lift heavy objects.
@@ Line 104: / Line 104: @@
-We see two folders namely '''ph''' and '''phen''' .
+We see two folders namely '''ph''' and '''phen'''.
 |-
@@ Line 114: / Line 114: @@
-In this folder, we see '''Apps''' in '''java script ''' and '''htm '''format.
+In this folder, we see the '''Apps''' in '''java script ''' and '''htm '''format.
 |-
 ||Point to the '''htm''' formats '''Apps'''.
@@ Line 123: / Line 123: @@
 |-
 ||Point to '''Pulley system App'''.
-||To open the Pulley system app press Ctrl+F keys  simultaneously.
+||To open the Pulley system app, press '''Ctrl+F''' keys  simultaneously.
-In the search bar type Pulley system.
+In the search bar type '''Pulley system'''.
 |-
 ||Right click on '''pulleysystem_en.htm''' file.
@@ Line 165: / Line 165: @@
 ||Click and drag the mouse to raise or lower the load.
-Observe that there is no change in the value in the right panel.
+Observe that there is no change in the value on the right panel.
 This is because the necessary force required to drag the load remains the same.
@@ Line 177: / Line 177: @@
-Edit and show 1 value (write 20)
+Edit and show 1 value
 ||The weight of the load is displayed in the white box.
@@ Line 205: / Line 205: @@
 By default '''Springscale''' is selected.
 |-
-||
+||cursor on the interface
 ||Let us demonstrate the working of the pulley.
 |-
@@ Line 223: / Line 224: @@
 '''Necessary force'''
-'''F= (Wl+ Wp)/4'''
+'''F= (W<sub>l</sub>+ W<sub>p</sub>)/4'''
-'''Wl''' '''is Weight of the load'''.
+'''W<sub>l</sub>''' is '''Weight of the load'''.
-'''Wp is Weight of the loose pulley'''.
+'''W<sub>p</sub>''' is '''Weight of the loose pulley'''.
 ||The '''Necessary force''' is calculated using  formula.
-F= (Wl+ Wp)/4
+'''F= (W<sub>l</sub>+ W<sub>p</sub>)/4'''
-'''Wl''' is weight of the load.
+'''W<sub>l</sub>''' is weight of the load.
-'''Wp '''is weight of the loose pulley.
+'''W<sub>p</sub> '''is weight of the loose pulley.
 |-
 ||Edit the '''Weight of the loose pulley to 20 '''Newton'''.
@@ Line 266: / Line 267: @@
 ||As an assignment,
-Change the weight of the load to 25 N and Weight of the loose pulley to 10 N.
+Change the weight of the load to 25 N and weight of the loose pulley to 10 N.
 Calculate the necessary force and verify your answer from the App.
@@ Line 276: / Line 277: @@
 |-
 ||Point to the screen(highlight the sentence from the App.)
-||This App shows a symmetrical lever with some mass pieces.
+||This '''App''' shows a symmetrical lever with some mass pieces.
 Each mass piece weighs 1 '''Newton'''.
 |-
-||Scroll down to show the lever principle.(pink box)
+||Scroll down to show the lever principle.
 ||At the bottom of the interface '''Lever Principle ''' is defined.
@@ Line 300: / Line 301: @@
 '''Torque'''
-'''Torque is the twisting force that tends to cause a rotation.'''
+Torque is the twisting force that tends to cause a rotation.
-'''The point where the object rotates is aixs of rotation.'''
+The point where the object rotates is aixs of rotation.
 ||Torque is the twisting force that tends to cause a rotation.
@@ Line 314: / Line 315: @@
 '''Torque'''
-(tau) τ '''<nowiki>= F r</nowiki>'''⟂
+'''(tau) τ <nowiki>= F x r</nowiki>⟂'''
-'''F is a force applied by the load.'''
+'''F''' is a force applied by the load.
-'''r'''⟂ '''is a perpendicular distance from the fulcrum.'''
+'''r'''⟂ is a perpendicular distance from the fulcrum.
 ||We can calculate the torque using the formula.
-(tau)τ '''<nowiki>= F* r</nowiki>'''⟂(perpendicular) '''.'''
+'''(tau)τ <nowiki>= F x r</nowiki>⟂'''(perpendicular).
-−
-−
 |-
@@ Line 346: / Line 345: @@
 '''(Newton-meter)'''.
 |-
-||In the text-box type. (What happens when hanging weights are removed from both the sides)
+||Cursor on the interface.
 ||What happens when hanging weights are removed from both the sides.
@@ Line 354: / Line 353: @@
 |-
 ||Click and hold the mouse to add one weight on the third rectangle.
+||Click and hold the mouse to add one weight on the third rectangle.
-Add two weights on the fourth rectangle.
+|-
 One weight on the fifth rectangle.
-||Click and hold the mouse to add one weight on the third rectangle.
+||Add two weights on the fourth rectangle.
-−
 Add two weights on the fourth rectangle.
 And one weight on the fifth rectangle.

@@ Line 406: / Line 406: @@
 || '''Slide Number 14'''
-'''License'''
+'''Acknowledgement'''
 These Apps are created by Walter-fendt and his team.
 || These Apps are created by Walter-fendt and his team.
-These Apps are released under CC-BY-NC-SA license.
 |-

@@ Line 144: / Line 144: @@
 ||Point to the '''App''' interface.
-Move the cursor to the yellowpanel.
+Move the cursor to the yellow panel.
 Move the cursor to the green panel.
 ||The '''App''' interface opens with two panels.
-An yellow panel with a pulley system and
+A yellow panel with a pulley system and
 A green panel to change and display parameters.
@@ Line 215: / Line 215: @@
 ||Observe that weight of 20 '''Newton''' is hanging from the 4 pulley sections of the rope.
-Each section of the rope has one forth of the total weight.
+Each section of the rope has one fourth of the total weight.
 In the '''App''' force required to raise the weight in  air is calculated.
@@ Line 255: / Line 255: @@
 This is because the '''Springscale’s''' limit is 10 '''Newton'''.
-Values more than 10'''Newton'''are automatically changed.
+Values more than 10 '''Newton''' are automatically changed.
-−
-−
 |-
@@ Line 412: / Line 410: @@
 These Apps are created by Walter-fendt and his team.
-This video is released under CC-BY-NC-SA license.
+These Apps are released under CC-BY-NC-SA license.
-−
-−
-−
 || These Apps are created by Walter-fendt and his team.
-This video is released under CC-BY-NC-SA license.
+These Apps are released under CC-BY-NC-SA license.
 |-
@@ Line 429: / Line 424: @@
 Please download and watch it.
 ||The video at the following link summarizes the Spoken Tutorial project.
@@ Line 446: / Line 440: @@
 For more details, please write to us.
 ||'''Spoken Tutorial Project team,
@@ Line 490: / Line 482: @@
 With less clutter, we can use these discussion as instructional material
 ||The Spoken Tutorial forum is for specific questions on this tutorial

@@ Line 123: / Line 123: @@
 |-
 ||Point to '''Pulley system App'''.
-||To open Pulley system app press Ctrl+F keys  simultaneously.
+||To open the Pulley system app press Ctrl+F keys  simultaneously.
 In the search bar type Pulley system.
 |-
 ||Right click on '''pulleysystem_en.htm''' file.
@@ Line 157: / Line 157: @@
 |-
 ||Point to the '''Springscale.'''
-||We can either raise or lower the load with the help of a '''Springscale. '''
+||We can either raise or lower the load using a '''Springscale. '''
 |-
 ||Show the movement of the '''Springscale''' by the pressed mouse.
@@ Line 165: / Line 165: @@
 ||Click and drag the mouse to raise or lower the load.
-Observe that there is no changes in the value in the right panel.
+Observe that there is no change in the value in the right panel.
 This is because the necessary force required to drag the load remains the same.
@@ Line 184: / Line 184: @@
-We can change value of weight from 1 '''Newton''' to 40 '''Newton'''.
+We can change the value of the weight from 1 '''Newton''' to 40 '''Newton'''.
 |-
 ||Move the cursor to show the Weight of the loose pulleys.
@@ Line 190: / Line 190: @@
 |-
 || Point to the black pulleys.
-|| This is the toatal weight of the 4 pulleys.
+|| This is the total weight of the 4 pulleys.
 |-
 ||Point to show '''Necessary force'''.
@@ Line 210: / Line 210: @@
 ||Point to the load.
 Point to the 4 sections of the rope.
 Point to '''Necessary force'''.
@@ Line 217: / Line 217: @@
 Each section of the rope has one forth of the total weight.
-In the '''App''' the force required to raise the weight in  air is calculated.
+In the '''App''' force required to raise the weight in  air is calculated.
 |-
 ||'''Slide Number 8'''
@@ Line 255: / Line 255: @@
 This is because the '''Springscale’s''' limit is 10 '''Newton'''.
-Values more than 10'''Newton'''are automatically changed to 10'''Newton'''.
+Values more than 10'''Newton'''are automatically changed.
@@ Line 296: / Line 296: @@
 |-
 ||Point to the torque measured.
-||At left bottom of the screen torque is calculated.
+||At the bottom left of the screen torque is calculated.
 |-
 ||'''Slide Number 10'''
@@ Line 329: / Line 329: @@
 |-
 ||Point to green and orange rectangles.
-||The green and orange rectangles indicate perpendicular distances.
+||Green and orange rectangles indicate perpendicular distances.
 |-
 ||Remove one weight from the left side of the fulcrum.
-||We can change the hanging weight by clicking and holding mouse.
+||We can change the hanging weight by clicking and holding the mouse.
 |-
 ||Point to fulcrum.
@@ Line 341: / Line 341: @@
-This is because the torque between the two side is not same.
+This is because torque on both the sides is not same.
 |-
 ||Point to 0.9 Nm.
@@ Line 357: / Line 357: @@
 ||Click and hold the mouse to add one weight on the third rectangle.
-Continue to add two weights on the fourth rectangle.
+Add two weights on the fourth rectangle.
 One weight on the fifth rectangle.
@@ Line 398: / Line 398: @@
 '''Summary'''
-||Using these '''App''' we have
+||Using these '''Apps''' we have
 * Observed how a pulley system works.

@@ Line 32: / Line 32: @@
 '''Pre-requisites'''
-||To follow this tutorial, learner should be familiar with topics in basic physics.
+||To follow this tutorial,
 |-
 ||'''Slide Number 5'''
@@ Line 47: / Line 48: @@
 '''Pulley'''
 A pulley is a simple machine that is used to lift the heavy objects.
@@ Line 263: / Line 265: @@
 '''Assignment'''
-Change the weight of the load to 25 N and weight of the loose pulley to 10 N and calculate the necessary force.
+Change the weight of the load to 25 N and weight of the loose pulley to 10 N. Calculate the necessary force and verify your answer from the App.
-−
-Verify your answer from the App.
@@ Line 393: / Line 393: @@
 '''Assignment'''
-If a blocks weigh 5 N is kept at 0.5 m, 3 N at 0.4 m and 2 N at 0.6 m from the fulcrum on the same side. How far must the other blocks of weighs 7 N should kept from the fulcrum in order to balance them.
+On the same side of the fulcrum, if a block weighing 5 N is kept at 0.5 m and a block weighing 3 N is kept at 0.6 m, then how far a block weighing 7 N should be kept on the other side of the fulcrum to achieve a balance condition.
 ||As an assignment solve this numerical.