forces and fields word list

Oliver Dowzer
Flashcards by , created about 3 years ago

Flashcards on forces and fields word list, created by Oliver Dowzer on 08/08/2016.

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Oliver Dowzer
Created by Oliver Dowzer about 3 years ago
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Question Answer
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