Recent content by ZelfZA

  1. ZelfZA

    What Would Happen if Earth's Core Suddenly Disappeared?

    In my opinion.. If the inner layer that's left is still Rock and doesn't collapse inward... You are removing a lot of mass from the earth. Gravity will thus be less and because of that.. The atmosphere will be less dense. Air pressure will be less. we might have trouble breathing. Please leave...
  2. ZelfZA

    Centrifugal force in space Motor with axle and wheight

    Thanks for the speedy reply and the link to the Reaction wheel. I assume the speed of the wheel and the mass of it will be determined by the mass of the ship. All of this is relevant to my experiment of the last 4 years. A theory similar to that of Nikola Tesla's Flying machine. But I would...
  3. ZelfZA

    What is the direction of tension force in a rope?

    If I understand correctly. When you look at every Force independently you have a Force and an "Opposite equal reaction"(Tension). When you add the two together the Tension in the rope is going to be equal to the combination of the two opposite forces. Also I believe that the Tension is applied...
  4. ZelfZA

    Centrifugal force in space Motor with axle and wheight

    HI. I've read a lot of posts on centrifugal and centripetal force in space. But they mostly refer to the spinning space stations. I would like to know what happens when you take a motor with an axle and a mass on the end on of the axle, and you start the motor up.. I understand the whole law...
  5. ZelfZA

    Hello and Welcome to ZelfZA: A New Scientist's Introduction

    Just wanted to say hi.
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