{UTF-8}
engine=
	387
	~	N
	~		|

friction=
	coeff rolling friction*weight
	~	
	~		|

air density=
	1.2
	~	kg/m cubed
	~		|

applied force=
	engine
	~	
	~		|

coeff rolling friction=
	0.015
	~	
	~		|

cross sect area=
	2
	~	m squared
	~		|

cross sect coeff=
	0.5
	~	
	~		|

opposing force=
	friction+drag
	~	
	~		|

drag=
	-0.5*cross sect coeff*air density*cross sect area*Velocity^2
	~	
	~		|

acceleration due to gravity=
	-9.8
	~	m/s squared
	~		|

net force=
	IF THEN ELSE(ABS(applied force)>ABS(opposing force), applied force+opposing force , \
		0 )
	~	 [0,30,5]
	~		|

weight=
	mass*acceleration due to gravity
	~	
	~		|

acceleration=
	net force/mass
	~	m/s squared
	~		|

Displacement= INTEG (
	Rate of Change of Displacement,
		0)
	~	m
	~		|

mass=
	1000
	~	kg [1,12,1]
	~		|

Rate of Change of Displacement=
	Velocity
	~	
	~		|

Rate of Change of Velocity=
	acceleration
	~	
	~		|

Velocity= INTEG (
	Rate of Change of Velocity,
		0)
	~	m/s
	~		|

********************************************************
	.Control
********************************************************~
		Simulation Control Parameters
	|

FINAL TIME  = 300
	~	Second
	~	The final time for the simulation.
	|

INITIAL TIME  = 0
	~	Second
	~	The initial time for the simulation.
	|

SAVEPER  = 
        TIME STEP 
	~	Second [0,?]
	~	The frequency with which output is stored.
	|

TIME STEP  = 0.125
	~	Second [0,?]
	~	The time step for the simulation.
	|

\\\---/// Sketch information - do not modify anything except names
V300  Do not put anything below this section - it will be ignored
*View 1
$192-192-192,0,Comic Sans MS|12||0-0-0|0-0-0|0-0-255|-1--1--1|-1--1--1|120,120,100,0
10,1,Displacement,470,206,71,34,3,131,0,1,0,3,0,0,255-0-0,0-0-0,|12||0-0-0
10,2,Velocity,475,382,71,33,3,131,0,1,0,3,0,0,0-0-255,0-0-0,|12||0-0-0
12,3,48,152,204,10,8,0,3,0,0,-1,0,0,0
1,4,6,1,4,0,0,22,0,0,0,-1--1--1,,1|(342,204)|
1,5,6,3,100,0,0,22,0,0,0,-1--1--1,,1|(218,204)|
11,6,48,280,204,6,8,34,3,0,0,1,0,0,0
10,7,Rate of Change of Displacement,280,240,89,28,40,3,0,0,-1,0,0,0
12,8,48,159,383,10,8,0,3,0,0,-1,0,0,0
1,9,11,2,4,0,0,22,0,0,0,-1--1--1,,1|(348,383)|
1,10,11,8,100,0,0,22,0,0,0,-1--1--1,,1|(224,383)|
11,11,48,286,383,6,8,34,3,0,0,1,0,0,0
10,12,Rate of Change of Velocity,286,419,89,28,40,3,0,0,-1,0,0,0
1,13,2,7,1,0,0,0,0,64,0,-1--1--1,,1|(387,302)|
10,14,acceleration,206,515,58,15,8,3,0,2,0,0,0,0,-1--1--1,0-0-0,|12||0-128-0
10,15,net force,475,516,46,15,8,3,0,2,0,0,0,0,-1--1--1,0-0-0,|12||0-128-0
10,16,mass,74,594,25,15,8,3,0,0,0,0,0,0
1,17,15,14,1,0,0,0,0,64,0,-1--1--1,,1|(337,496)|
1,18,16,14,1,0,0,0,0,64,0,-1--1--1,,1|(119,541)|
1,19,14,12,1,0,0,0,0,64,0,-1--1--1,,1|(182,462)|
12,20,0,1201,307,251,197,3,188,0,0,1,0,0,0
Motion
10,21,applied force,345,568,66,14,8,3,0,2,0,0,0,0,-1--1--1,0-0-0,|12||255-0-0
10,22,opposing force,499,663,73,14,8,3,0,2,0,0,0,0,-1--1--1,0-0-0,|12||0-0-255
10,23,weight,216,629,33,15,8,3,0,0,0,0,0,0
10,24,acceleration due to gravity,144,762,80,28,8,3,0,0,0,0,0,0
1,25,24,23,1,0,0,0,0,64,0,-1--1--1,,1|(185,690)|
1,26,16,23,1,0,0,0,0,64,0,-1--1--1,,1|(128,649)|
1,27,22,15,1,0,0,0,0,64,0,-1--1--1,,1|(461,596)|
1,28,21,15,1,0,0,0,0,64,0,-1--1--1,,1|(414,525)|
10,29,Time,393,903,33,15,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|12||128-128-128
10,30,friction,297,824,38,15,8,3,0,0,0,0,0,0
1,31,30,22,1,0,0,0,0,64,0,-1--1--1,,1|(396,723)|
1,32,23,30,1,0,0,0,0,64,0,-1--1--1,,1|(276,721)|
12,33,0,1205,723,252,182,3,188,0,0,1,0,0,0
Forces
10,34,coeff rolling friction,202,908,61,28,8,3,0,0,0,0,0,0
1,35,34,30,1,0,0,0,0,64,0,-1--1--1,,1|(238,855)|
10,36,engine,344,647,32,15,8,3,0,0,0,0,0,0
1,37,36,21,1,0,0,0,0,64,0,-1--1--1,,1|(332,602)|
10,38,drag,617,737,24,15,8,3,0,0,0,0,0,0
10,39,air density,539,835,52,15,8,3,0,0,0,0,0,0
10,40,cross sect coeff,716,832,51,28,8,3,0,0,0,0,0,0
10,41,cross sect area,789,722,75,14,8,3,0,0,0,0,0,0
1,42,41,38,0,0,0,0,0,64,0,-1--1--1,,1|(684,730)|
1,43,40,38,0,0,0,0,0,64,0,-1--1--1,,1|(664,783)|
1,44,39,38,0,0,0,0,0,64,0,-1--1--1,,1|(573,791)|
1,45,38,22,0,0,0,0,0,64,0,-1--1--1,,1|(563,703)|
1,46,2,38,1,0,0,0,0,64,0,-1--1--1,,1|(593,561)|
///---\\\
:GRAPH Motion
:TITLE Motion
:SCALE
:VAR Velocity
:Y-MIN 0
:Y-MAX 20
:LINE-WIDTH 3
:SCALE
:VAR Displacement
:Y-MIN 0
:Y-MAX 5000
:LINE-WIDTH 3
:SCALE
:VAR acceleration
:Y-MIN 0
:Y-MAX 0.3
:LINE-WIDTH 3

:GRAPH Forces
:TITLE Forces
:SCALE
:VAR opposing force
:Y-MIN -1000
:Y-MAX 1000
:LINE-WIDTH 3
:VAR applied force
:LINE-WIDTH 3
:VAR net force
:LINE-WIDTH 3
:L<%^E!@
1:Current.vdf
9:Current
22:$,Dollar,Dollars,$s
22:Hour,Hours
22:Month,Months
22:Person,People,Persons
22:Unit,Units
22:Week,Weeks
22:Year,Years
22:Day,Days
23:0
15:0,0,0,0,0,0
19:100,0
27:2,
34:0,
4:Time
5:mass
35:Date
36:YYYY-MM-DD
37:2000
38:1
39:1
40:7
41:0
24:0
25:300
26:300