PHYSICS-General -Relatively Exam Bundle Graded A+

Alternating Current - ANSWER-the electrons move back and forth without moving in either direction. Has greater electric potential (more volts). Moving Magnet in and out of coiled wire. Battery - ANSWER-made up of 2 or more cells. Electric potential increases for each cell present. Circuit Brea...

displacement - ANSWER-distance traveled in a particular direction from a specified origin velocity - ANSWER-the displacement of an object over time speed - ANSWER-the distance traveled by an object over time acceleration - ANSWER-change in velocity per unit time average speed - ANSWER-th...

Fundamental SI units - ANSWER-kilogram (kg), metre (m), second (s), ampere (amp), mole (mol), kelvin (K) Random error - ANSWER-An unpredictable and largely uncontrollable uncertainty. (Examples include human reaction time and other forms of human measurement.) (Random errors can be reduced by tak...

Blackbody - ANSWER-In object that absorbs 100% of the radiation that hits it. Therefore it reflects no radiation and appears perfectly black (absence of light) Blackbody radiation - ANSWER-When I blackbody emits specific amounts of energy thought to be produced by standing waves What does clas...

Newton's First Law - ANSWER-An object in motion will stay in motion, unless acted by an outside force. Newton's Second Law - ANSWER-The equation of Newton's law of motion is F=MA, (F=Force, M=Motion, A=Acceleration). Newton's Third Law - ANSWER-For every action there is an equal and opposi...

radioactivity - ANSWER-the process in which an unstable atomic nucleus emits charged particles and energy radioisotopes - ANSWER-any atom containing an unstable nucleus nuclear radiation - ANSWER-charged particles and energy that are emitted from the nuclei of radioisotopes alpha particle -...

energy - ANSWER-the ability to do work or cause a change. forms of energy - ANSWER-mechanical (moving parts of things), heat (thermal), chemical (chemical bonds between atoms), electromagnetic (light) nuclear, electrical, gravitational, elastic (stretching/compressing) energy conversions - ANS...

energy - ANSWER-the ability to do work or cause a change. forms of energy - ANSWER-mechanical (moving parts of things), heat (thermal), chemical (chemical bonds between atoms), electromagnetic (light) nuclear, electrical, gravitational, elastic (stretching/compressing) energy conversions - ANS...

Units for length - ANSWER-metres (m) Units for mass - ANSWER-kilograms (kg) Units for time - ANSWER-seconds (s) Units for current - ANSWER-amperes/amps (A) Units for temperature - ANSWER-Kelvin (K) or degrees Celsius (C) Units for frequency - ANSWER-Hertz (Hz) Units for force - ANS...

Force - ANSWER-The influence that produces a change in a physical quantity Velocity - ANSWER-speed in a given direction Acceleration - ANSWER-Rate of change of velocity over time Momentum - ANSWER-the quantity of motion of a moving body, measured as a product of its mass and velocity. Di...

Momentum - ANSWER-The quantity of motion of a moving body, measured as a product of its mass and velocity. Impulse - ANSWER-A force acting briefly on a body and producing a finite change of momentum. Vector Quantity - ANSWER-Has both magnitude and direction. The Direction of the Velocity Ve...

x (position) - ANSWER-m (meters) v (velocity) - ANSWER-m/s (meters per second) a (acceleration) - ANSWER-m/s² (meters per second squared) t (time) - ANSWER-s (seconds) F (force) - ANSWER-N (newtons) = kg•m/s² (kilograms times meters per seconds squared) m (mass) - ANSWER-kg (kilog...

Alternating current equation - ANSWER-I = I0 sin ωt Define the rms value of an alternating current - ANSWER-equal to the steady direct current which converts electrical energy to other forms of energy at the same rate and conditions Irms = ? - ANSWER-I0/√2 Transformer equation - ANSWER-V...

Units - ANSWER-systems giving context to numbers Length - ANSWER-meter (m) Mass - ANSWER-kilogram (kg) Force - ANSWER-newton (N) Time - ANSWER-second (s) Work - ANSWER-joule (J) Energy - ANSWER-joule (J) Power - ANSWER-watt (W) giga - ANSWER-(G or B), 10^9 mega - ANSWER-(M...

What is the unit for work? - ANSWER-Joule What is the Work-Kinetic Energy Theorem? - ANSWER-Change in KE= Work What type of energy is Potential Energy? - ANSWER-Stored Energy What does Kinetic Energy Depend on? - ANSWER-speed and mass When is work done on an object? - ANSWER-displacement...

physics - ANSWER-branch of science concerned with matter and energy and the interaction between them motion - ANSWER-change in an object's position with respect to time particle model - ANSWER-treats object as particle represented by a mass at a single point in space with no size or shape ...

Displacement (d) - ANSWER-d = Δx = final position - initial positon = net distance (plus direction) Average velocity (v) - ANSWER-v = Δx/Δt = d/Δt Average acceleration (a) - ANSWER-a = Δv/Δt What assumption do we make with the BIG 5 equations? What are the 3 most frequently used equat...

Physics is sometimes called the science of _______ and _____ - ANSWER-Matter Energy _______ is the foundation of any discussion of physics - ANSWER-Matter _________ is the force acting mutually between particles of matter - ANSWER-Attraction A device called a _____ is used for measuring s...

Force - ANSWER-Energy used to push or pull an object Newton - ANSWER-Unit of measurement of force Friction - ANSWER-The force exerted on an object when it is in contact with another object as it moves or tries to move Weight - ANSWER-The force of gravity on an object Mass - ANSWER-The am...

Newton - ANSWER-unit used to measure forces no effect - ANSWER-effect of balanced forces on the motion of an object acceleration - ANSWER-effect of net force on the motion of an object net force - ANSWER-the resultant of unbalanced forces is a ____ _____ rest - ANSWER-an object at rest w...

Scaler - ANSWER-Magnitude only (a quantity) Distance - ANSWER-The length of a path between two points, or the total distance travelled. Displacement - ANSWER-Distance and direction of an object's change in position from the starting point (vector quantity). Displacement Equation - ANSWER-^...

Subtractive Primary Colors - ANSWER-Magenta, Yellow, Cyan, and Black Scattering - ANSWER-Process in which sound or light is absorbed and re-emitted in all directions Reflection - ANSWER-The return of a wave back into its original medium Normal - ANSWER-line perpendicular to the surface wher...

How can we tell from a distance-time graph if an object is stationary? - ANSWER-The distance-time graph for any object is stationary is a horizontal line. How can we tell from a distance-time graph if an object is moving at constant speed? - ANSWER-The distance-time graph for any object that is m...

Physics - ANSWER-The study of matter and energy and their interactions (study of motion) Matter - ANSWER-Anything that has mass and takes up space Motion - ANSWER-A change in position over time. Energy - ANSWER-Ability to do work or to cause change. (potential energy is stored; kinetic ener...

Isaac Newton said: - ANSWER-Light moves as tiny particles Huygens said: - ANSWER-Light is a wave Ray Model of Light - ANSWER-Light is represented as a ray (arrow) which travels in a straight line. The ray model was introduced as a way to study how light interacts with matter, regardless of wh...

Motion - ANSWER-It's distance from another object is changing. Reference Point - ANSWER-A place or object used for comparison to determine if something is in motion International System of Units - ANSWER-A system based on the number ten Meter - ANSWER-A littler longer than a yard Speed ...

Distance - ANSWER-Speed x time Speed - ANSWER-Distance/time Time - ANSWER-Distance/speed Average speed - ANSWER-M/s Distance moved - ANSWER-M Time taken - ANSWER-S Acceleration - ANSWER-Change in velocity/time Thrust - ANSWER-Increases the velocity of an object Air resistance...

How do work out a gradient of a line - ANSWER-Rise over run A.K.A how high how far How do you work out the energy needed to heat an object - ANSWER-Specific heat capacity mass change in temperature --- kg J/kg •c How do you work out the specific heat capacity of an object - ANSWER-Energ...

physics - ANSWER-the most basic science that examines the fundamental laws relating matter and energy and is called the "mother" of all sciences. hypothesis - ANSWER-an educated guess that is not fully accepted until demonstrated by experiment. theory - ANSWER-a synthesis of a large body of ...

length - ANSWER-meter (m) mass - ANSWER-kilogram (kg) time - ANSWER-second (s) electric current - ANSWER-ampere (A) thermodynamic temperature - ANSWER-kelvin (K) amount of a substance - ANSWER-mole (mol) luminous intensity - ANSWER-candela (cd) area - ANSWER-square meter (m²) ...

Acceleration - ANSWER-the rate at which velocity changes Agent - ANSWER-a natural force or object producing or used for obtaining specific results Archimedes' Principle - ANSWER-the rule that the buoyant force on an object is equal to the weight of fluid the object displaces Balanced Force...

What is Momentum? - ANSWER-Mass x Velocity p = mv State Newton's Second Law of motion (A2 definition) - ANSWER-Resultant Force is proportional to the rate of change of momentum and in the same direction What are the two units of momentum? - ANSWER-kgms^-1 Ns What is Impulse? - ANSWER-For...

Mass - ANSWER-kilogram (kg) Time - ANSWER-seconds (s) Speed - ANSWER-meters per second (m/s) Velocity - ANSWER-meters per second (m/s) Average velocity - ANSWER-meters per second (m/s) Initial velocity - ANSWER-meters per second (m/s) Final velocity - ANSWER-meters per second (m/s)...

Reference point - ANSWER-a visible object to which you can compare the change of distance to a moving object Speed - ANSWER-distance an object travels per unit of time. Average speed - ANSWER-total distance an object travels divided by the total time it takes to travel that distance, speed=dis...

Potential Energy - ANSWER-Stored energy, PE=mg (change in) h in Joules Kinetic Energy - ANSWER-energy of a moving object KE=1/2mv^2 in Joules Energy - ANSWER-the ability to do work Work - ANSWER-release of Energy in moving an object, force exerted thru a distance w=Fd in Joules Power - A...

What is work? - ANSWER-the product of the force along the direction of displacement and the magnitude of the displacement Can work be stationary? - ANSWER-NO What is the SI unit of work? - ANSWER-joules (J) Is work a scalar? - ANSWER-YES (magnitude only) no force= no ________ - ANSWER-mo...

Force/Area - ANSWER-Pressure = Pascals or N/cm2 - ANSWER-What is the unit of pressure? Newtons - ANSWER-What is the unit of force? Metres squared - ANSWER-What is the unit of area? Increase the force or reduce the area the force acts upon - ANSWER-How would you increase pressure? Decr...

Photon - ANSWER-A discrete unit or package of light energy Photoelectric Effect - ANSWER-The emission of electrons from a metal when electromagnetic radiation of high enough frequency falls on the surface Threshold Frequency (f₀) - ANSWER-The minimum frequency of light needed to eject electr...

Displacement - ANSWER-How much an object's position has changed (^d->) (vector) Distance - ANSWER-The length of a journey an object takes (d) (scalar) Position - ANSWER-Describes the location of an object (d->) (vector) Ex: 3 km east from school Slope - ANSWER-rise/run on a graph ...

Science - ANSWER-The use of knowledge in a organized and classified manner. Natural Science - ANSWER-The study of the universe and its contents. Velocity - ANSWER-Speed Rate of change of position of an object over time Inertia - ANSWER-Property of matter that resists its change in motion. ...