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Physics Midterm Flashcards

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16301721736length ---->meter(m)0
16301721737mass ---->kilogram(kg)1
16301721738time ---->second (s)2
16301721739electric current ---->ampere(A)3
16301721740temperature ---->Kelvin(K)4
16301721741luminous intensity ---->candela(cd)5
16301721742amount of a substance ---->mole(mol)6
16301721743Def. the numerical part of a measurement is expressed as a number between 1 and 9 multiplied by a whole number power of 10scientific notation7
16301721744Conversions from least to greatest?Giga, mega, kilo, hecto, deka, deci, centi, milli, micro, nano8
16301721745What are the two types of direct relationships?Linear and Quadratic9
16301721746What does a linear graph look like?straight line10
16301721747What does a quadratic graph look like?parabola11
16301721748What does an inverse graph look like?hyperbola12
16301721749What is the equation for a linear graph?y=mx+b13
16301721750What is the equation for a Quadratic graph?y=mx^2+b14
16301721751What is the equation for an Inverse graph?y=m/x15
16301721752What equation do you use to find slope?(y2 - y1)/(x2 -x1)16
16301721753Def. the study of the physical worldphysics17
16301721754Def. is the apparent shift in the position of an object when it is viewed from various angles. Laboratory instruments must be read at eye level and straight on to avoid _______ error.parallax18
16301721755Def. of a measurement describes how well the result agrees with an accepted value. The accuracy of an instrument depends on how well its performance compares to a currently accepted standard.accuracy19
16301721756Def. the degree of an exactness to which the measurement of a quantity can be reproduced. The precision of an instrument is limited by the smallest division on the measurement scale.percision20
16301721757x is the _________independent variable21
16301721758y is the _________dependent variable22
16301721759What motion diagram? Faster/Constant/Slower ... . . . . . . . . . . . .faster23
16301721760What motion diagram? Faster/Constant/Slower . . . . . . .constant24
16301721761What motion diagram? Faster/Constant/Slower . . . . . . . . . . .......slower25
16301721829Position vs. time graph at rest26
16301721830Position vs. Time graph with positive constant velocity27
16301721831Position vs. Time graph with negative constant velocity28
16301721832Position vs. time graph two objects moving at constant velocity, one faster than the other, with the same starting point29
16301721762How do you find velocity on a Position vs. Time graph?find the slope30
16301721763How do you find distance on a Position vs. Time graph?y-axis31
16301721764How do you find displacement on a Position vs. Time graph?Pf - Pi32
16301721765How do you find time on a Position vs. Time graph?x-axis33
16301721833Velocity vs. time graph with positive constant velocity34
16301721834Velocity vs. time graph with negative constant velocity35
16301721835Velocity vs. time graph with negative constant acceleration36
16301721836Velocity vs. time graph with positive constant acceleration37
16301721837Velocity vs. time graph with changing increasing acceleration38
16301721838Velocity vs. time graph with constant velocity and increasing velocity39
16301721766How do you find distance on a Velocity vs. time graph?area under the curve40
16301721767How do you find displacement on a Velocity vs. time graph?add positive slope areas and subtract negative slope areas41
16301721768How do you find velocity on a Velocity vs. time graph?y-axis42
16301721769How do you find acceleration on a Velocity vs. time graph?find the slope43
16301721770How do you find time on a Velocity vs. time graph?x-axis44
16301721839Acceleration vs. Time with constant acceleration45
16301721771How do you find velocity on an acceleration vs. time graph?area under the curve46
16301721772How do you find acceleration on an acceleration vs. time graph?y-axis47
16301721773How do you find time on an acceleration vs. time graph?x-axis48
16301721774Def. any object that is being acted upon only by the force of gravityfree fall49
16301721775Def. where an object is from its originposition50
16301721776Def. an objects change in position, only measuring from its starting position to its final positiondisplacement51
16301721777Def. vector quantity that is defined as the rate at which an object changes its velocityacceleration52
16301721778Def. vector quantity that indicates distance per time and directionvelocity53
16301721779Def. the distance traveled per unit of timespeed54
16301721780Def. a quantity that is fully described by both magnitude and directionvector quantities55
16301721781Def. a quantity that is fully described by its magnitudescalar quantities56
16301721782Name the vectors(5)acceleration, position, velocity, displacement, and force57
16301721783Name the scalars (5)distance, time, temperature, speed, and mass58
16301721784Def. the frictional force air exerts on a moving objectair resistance59
16301721785Def. when air resistance is so big, it cancels out acceleration due to gravityterminal velocity60
16301721786Def. the acceleration for any object moving under the sole influence of gravityacceleration due to gravity61
16301721787When do you add vectors mathematically?only use when there are no angles in the problem62
16301721788What are the steps to adding vectors mathematically?1. Use Pythagorean theorem to solve for the magnitude 2. Then use tangent to solve for angle 3. Then write out your resultant63
16301721789Equation for pythagorean theorema^2 + b^2 = c^264
16301721790What equation to use to solve for an angle using tangent0 = tan^-1(opposite/adjacent)65
16301721791When do you add vectors graphically?any problem with angles given66
16301721792What are the steps to adding vectors graphically?1. Determine the scale (l cm = ______ km) 2. Divide magnitude by scale to get the length of each other 3. Draw your compass (axis) 4. Measure and draw the first vector from the main origin 5. Draw secondary compass at the tip of the first origin 6. Draw second vector on that axis 7. Draw resultant back to origin 8. Measure the scale of the resultant and multiply length and scale to get magnitude 9. Measure angle of resultant line and origin 10. Write out answer in correct resultant notation67
16301721793Steps to finding components of vectors1. Draw the angular vector on axis labeling the magnitude and angle 2. Connect the horizontal & vertical sides to create right triangle 3. Use sin and cos to calculate the components (Fx = cos) (Fy = sin)68
16301721794Def. vectors that act on the same linecollinear vectors69
16301721795Def. vectors that point at the same thingconcurrent vectors70
16301721796Def. the sum of 2 or more vectorsResultant71
16301721797Def. breaking an angular vector into 2 piecesVector Components72
16301721798Def. the condition in which the net force on an object is zeroEquilibrium73
16301721799Def. single force that balances a system, same magnitude opposite directionEquilibrant74
16301721800What are the 4 known forces?Electromagnetic force, Nuclear Force, Weak interactive force, and Gravitational force75
16301721801What force? most noticeable force, holds matter together, also referred to as mechanical or frictional forcesElectromagnetic Force76
16301721802What force? Strongest, acts through smallest distance, and holds the nucleus of an atom togetherNuclear force77
16301721803What force? force inside a nucleus that causes some atoms to break apart and responsible for radioactive decayWeak Interactive Force78
16301721804What force? Force of attraction that exists between all masses, weakest force, and acts through the longest distanceGravitational force79
16301721805What is Newtons 1st law?An object continues in uniform straight line motion or remains at rest unless acted upon by a net force80
16301721806What is Newtons 2nd law?When a net force acts on an object acceleration occurs81
16301721807What is Newtons 3rd law?Every force has an equal but opposite force82
16301721808What are the two types of friction?static and kinetic83
16301721809Def. opposes start of motionstatic friction84
16301721810Def. opposes motion already in motionkinetic friction85
16301721811Def. the study of motion that tells how objects movekinematics86
16301721812Def. The study of forces that cause motion. Tells why objects move.Dynamics87
16301721813Def. a push or pull exerted on an objectforce88
16301721814Def. forces that have to be toughing to be appliedcontact force89
16301721815Def. in which bodies interact without directly touching each other, yet are able to exert a push or pull despite their physical separation.Field force90
16301721816Def. a force that is applied onto an objectapplied force91
16301721817Def. the vector sum of all the forces on an objectnet force92
16301721818Def. a physical representation that shows the forces acting on a systemfree body diagrams93
16301721819Def. the tendency of an object to resist changeinertia94
16301721820Def. large body of matter with no definite shapemass95
16301721821def. the gravitational force experienced by an objectweight96
16301721822def. the resistance that one surface or object encounters when moving over anotherfriction97
16301721823Def. the ration between the force necessary to move one surface horizontally over another and the pressure between the two surfacesCoefficient of friction98
16301721824Projectiles Launched Horizontally: The vertical and horizontal motions of a projectile are ______________independent99
16301721825Projectiles Launched Horizontally: There is no ___________ in the horizontal direction, therefor horizontal velocity does not change.acceleration100
16301721826Def. an object shot through the air, that has independent vertical and horizontal motions and after receiving an initial thrust, travels through the air only under the force of gravity.projectile motion101
16301721827Def. the path of a projectile through spacetrajectory102
16301721828Def. the total time that an object or person stays in the air when the object is thrown or when the person jumps.hang time103

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