Gravity on Earth Model

[Diagram Level | Equations Level | Graphs ]

```
Earth_position(t) = Earth_position(t - dt) +
(rate_of_change_of__Earth_pos) * dt
INIT Earth_position = initial_pos_Earth
rate_of_change_of__Earth_pos = Earth_velocity

Earth_velocity(t) = Earth_velocity(t - dt) +
(rate_of_change_of_Earth_vel) * dt
INIT Earth_velocity = 0
rate_of_change_of_Earth_vel = Earth_accel

Mass_position_above_Earth(t) = Mass_position_above_Earth(t - dt) +
(rate_of_change_of_mass_pos) * dt
INIT Mass_position_above_Earth = initial_pos_mass
rate_of_change_of_mass_pos = Mass_velocity

Mass_velocity(t) = Mass_velocity(t - dt) +
(rate_of_change_of_mass_vel) * dt
INIT Mass_velocity = 0
rate_of_change_of_mass_vel = Mass_accel

distance_between = ABS(6.38E6 + Mass_position_above_Earth-Earth_position)
Earth_accel = net_force/Earth_mass
Earth_mass = 5.98E24
initial_pos_Earth = 0
initial_pos_mass = 1500 {m}
mass = 1
Mass_accel = -net_force/mass
net_force = 6.67E-11*(Earth_mass*mass)/(distance_between^2)
```
##### Time Specs Settings Range: 0-12; dt = 0.25; Integration Method = Euler's

Graph of Earth Motion

Graph of Object Motion

 Home | Contact | Site Map | Search