E = mc2 [closed - user ignored questions about the purpose of the thread]

Newton's gravity equation is applied to an astronaut (50 kg) in the spacecraft hovering 249 miles over a fix point above the surface of the Earth. The distance from the center of the Earth to the hovering spaceship is calculated,


r = (earth's radius) + (height) = (6.371 x 10⁶ m) + (.4 x 10⁶ m) = 6.771 x 10⁶ m..........................................................103



Equation 72 is used to form the gravitational force on the astronaut using Newton's gravity equation (equ 71),



F = (G m₁ m₂)/r² = (6.7 × 10^-11) x (50kg) x (6 x 10²⁴kg) / (6.771 x 10⁶m)² ≃ 438.4 N or 44.7 kg ...................................104



A 50 kg astronaut in the spaceship forms a 44.7 kg gravitational force yet the astronaut is weightless which invalidates the sling shot that is based on Newton's gravity equations. It is argued that the weightlessness of the astronaut is caused by the free fall of the spaceship towards the Earth but the spaceship that is propagating towards the Moon is not falling to the Earth yet the astronaut in the CMSL are weightless during the voyage to the Moon. The rotational inertia is used to justify the weightlessness of the astronaut but if the astronaut in a jetpack is accelerated in the opposite direction tangent to the assumed orbital path, the astronaut in the jetpack would not experience a downward force. According to NASA, the astronauts are free falling in the same direction as their spacecraft. When the Apollo 11 spacecraft is on its way to the Moon, it is moving along a curved trajectory around Earth. The spacecraft and everything inside it, including the astronauts, are accelerating under gravity at the same rate. Because the astronauts and the spacecraft are accelerating together, there is no contact force between the astronauts and the floor of the spacecraft, so they feel weightless. The direction of free fall is toward the Earth but since the spacecraft is moving tangentially at high speed, the astronauts don’t actually fall straight down, they follow the same orbital path as the spacecraft. The astronauts are free falling in the direction of Earth’s gravity, along the orbital path of the spacecraft, which is why they float inside the cabin. Their free fall is toward Earth but because the spacecraft has high tangential velocity, they follow the curved trajectory of the spacecraft instead of falling straight down, which is why they experience weightlessness. The CSML that is propagating towards the Moon cannot be falling towards the Earth in the ostensible free fall explanation which proves the free fall, that is essential to the Apollo 11 mission, is physically invalid.

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