Adding constant acceleration to this pendulum code
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12-11-2019 - |
Question
How can I add constant acceleration to this pendulum as a whole while using this code? The code right now is describing a pendulum, how would I alter it to describe a pendulum in a moving train (where the train has a constant acceleration)? Any help would be appreciated, thank you in advance.
from math import sin, pi
from time import sleep
from turtle import *
GA = 9.80665 # Gravitational Acceleration (meters per second squared)
FORM = 'Time={:6.3f}, Angle={:6.3f}, Speed={:6.3f}'
def main():
length = 10.0 # Of pendulum (meters)
ngol = - GA / length # Negative G over L
total_time = 0.0 # Seconds
angle = 1.0 # Initial angle of pendulum (radians)
speed = 0.0 # Initial angular velocity (radians/second)
time_step = 0.05 # Seconds
acc = 1
while total_time < 30.0:
total_time += time_step
speed += ngol * sin(angle) * time_step
angle += speed * time_step
#print(FORM.format(total_time, angle, speed))
if draw(angle, length): break
sleep(time_step)
def init():
setup()
mode('logo')
radians()
speed(0)
hideturtle()
tracer(False)
penup()
def draw(angle, length):
if speed() != 0: return True
clear()
setheading(angle + pi)
pensize(max(round(length), 1))
pendown()
forward(length * 25)
penup()
dot(length * 10)
home()
update()
if __name__ == '__main__':
init()
main()
bye()
No correct solution
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