Flashcards

8.3 Forces and Fields word list

BaiMcd Inglês 18 flashcards

Flashcards do conjunto (18)

1ForceA push, pull or twist
2AccelerationThe rate at which an object changes its velocity
3MassThe amount of matter in an object
4LightningThe release of static charge in the sky
5WeightThe force with which an object is attracted to Earth and is equal to the product of the objects mass and the acceleration due to gravity
6Spring BalanceAn instrument used to measure weight or force by how far a spring moves
7DomainA region in a ferromagnetic material (iron, nickel and cobalt) that aligns with the magnetic field
8SatelliteA celestial body ( like a moon ) or artificial object that orbits the planet
9FieldAn area that can exert a force on an object
10Contact forceA force required to be in direct contact with an object to cause a push, pull or twist
11Non-contact forceA force applied to an object by another body that is not in direct contact with it
12ElectrostaticRelating to stationary electric charges or fields
13MagnetProduces a magnetic field which attracts metallic object composed of iron, cobalt or nickel
14CompassAn instrument consisting of a freely rotating magnetised needle that indicates magnetic north
15NewtonThe unit for force
16FrictionA contact force that opposes motion and produces heat
17ElectromagnetA type of magnet created by electricity
18GravityA force of attraction that moves bodies towards the centre of a celestial body, such as the Earth or Moon