Electromagnets

Electromagnets
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  • Yeah.
  • Hey Claire, ready to go to school?
  • What do you think we're going to learn about today?
  • No clue.
  • Magnets, Electromagnets, and Gravity
  • Hello class, today we will be learning about magnets, electromagnets, and gravity.
  • Magnets, Electromagnets, and Gravity
  • A magnet is any material that attracts iron or materials containing iron. A magnet also has two poles, one north and another south. Every magnet has a magnetic field and this field can be shown with magnetic field lines.
  • A magnetic domain is a region within a magnetic material in which the magnetization is in the same direction. This means that the individual magnetic atoms are aligned with one another and they point in the same direction.
  • Magnets, Electromagnets, and Gravity
  • Electromagnetism is different from magnetism. Magnetism is the motion of electric charge, resulting in attractive and repulsive forces between objects. While electromagnetism is the interaction of electric currents or magnetic fields.
  • Magnets, Electromagnets, and Gravity
  • Newton's law of universal gravitation states that a particle attracts every other particle in the universe using a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them
  • Gravity is the force that attracts a body toward the center of the earth, or towards any other physical body that has mass. Gravity depends on the mass of an object and the distance between them.
  • The equation for Universal Gravitation is Egrav= G*m1*m2/ d2
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