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# gravitational force

### S8P5.a

TermDefinition
law of universal gravitation stats that the force of gravity acts between all objects in the universe
mass a measure of the amount of matter in an object
Newtonś first law of motion states that an object at rest will stay at rest and an object in motion will stay in motion unless an unbalanced force acts on the object
electric current the rate at which charges pass through a given point; measured in amperes
potential difference the difference in potential energy between two location
voltage the potential difference between two points; measured in volts
insulator a material that does not conduct heat of electrical energy well; often used to prevent energy from leaving a particular area
circuit a closed path through which electricity can flow
load a device in a circuit that does work using electrical energy
conductor a material that allows heat or electrical energy to flow through easily
resistor an object added to a circuit that restricts the flow of electrical energy; inhibits the flow of electric current by producing a voltage drop when current passes through it
switch a device used to control the flow of current through a circuit
serices circuit a circuit in which the parts are joined one after another such that the current in each part is the same
parallel circuit a circuit in the parts are joined in branches such the potential differences across each part is the same
magnetic force the force of attraction of repulsion generated or spinning electric charges
magnetic field area surrounding a magnet in which the magnetic force exists
electromagnetism the interaction between electrical energy into magnetism
electromagnet a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil
electric motor a device that converts electrical energy into mechanical energy
generator a device that transforms mechanical energy into electrical energy
Created by: ivycar