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Creado por Oliver Dowzer
hace alrededor de 8 años
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Pregunta | Respuesta |
force | a push, pull or twist |
acceleration | the rate at which an object changes velocity |
mass | is the amount of matter in an object |
lightning | the release of static charge in the sky |
weight | the force with which an object is attracted to earth and is equal to the product of the object's mass and the acceleration due to gravity |
spring balance | an instrument used to measure weight or force by how far a spring moves |
domain | a region in a ferromagnetic material (iron, nickel and cobalt) that aligns with the magnetic field |
satellite | a celestial body (like the moon) or artificial object that orbits the a planet |
field | an area that can exert a force on an object |
contact force | a force required to be in direct contact with an object to cause a push, pull or a twist |
non-contact force | a force applied to an object by another body that is not in direct contact with it |
electrostatic | relating to stationary electric charges or field |
magnet | produces a magnetic field which attracts metallic objects composed of iron, cobalt or nickel |
compass | an instrument consisting of a freely rotating magnetised needle that indicates magnetic north |
newton | the unit for force |
friction | a contact force that opposes motion and produces heat |
electromagnet | a type of magnet created by electricity |
gravity | a force of attraction that moves bodies towards the centre of a celestial body, such as earth or moon |
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