Flashcards
8th Grade Unit 3 Physics Mini Quiz
Flashcards do conjunto (44)
- 1DistanceThe amount of space between two points.
- 2OriginThe starting point or reference point in which positions are described from.
- 3PositionThe current location of an object according to the origin or starting point.
- 4CoordinatesThe negative or positive numbers on geographic points used to describe a position
- 5SpeedThe distance an object travels divided by the time it takes.
- 6Constant SpeedThe speed of an object that travels the same distance every time unit or interval
- 7Average SpeedThe total distance divided by the total time
- 8VelocityThe speed (the distance traveled over a period of time) with a specific direction.
- 9SlopeA line made by the points on a graph
- 10What is the formula for Speed?Distance divided by Time
d/t - 11What is the formula for Distance?Speed times Time
s x t - 12What is the formula for Time?Distance divided by Speed
d/s - 13Force(F) an action (push/pull) that has the ability to change motion.
- 14Friction(f) a force that resists forward motion
- 15VectorA quantity that includes SIZE and direction
- 16MagnitudeDescribes the size of a vector
- 17Net Force(Fnet) the sum of all known forces on an object
- 18Balanced ForcesWhen the sum of an object's forces are equal to zero.
- 19Equilibriuma STATE of balance forces or when forces=0
- 20Normal Force(Fn) a force that a surface exerts on an object that is pressing on it
- 21TensionA pulling force that acts in a string, rope, or other object.
- 22CompressionA squeezing force that can act on a spring
- 23What are the types of Forces?-Friction
-Nuclear
-Electromagnetic
-Gravitational - 24What are the types of Friction?-Static
-Rolling
-Sliding
-Air Resistance
-Viscous - 25What forces on present on a free body diagram/force diagramNormal Force, Forward Force, Friction, Gravitational Force
- 26Where are the forces located on the Free Body Diagram/Force DiagramNormal Force(top), Forward Force(right), Friction(left), Gravitational Force(bottom)
- 27Which forces on the Free Body Diagram/Force Diagram are Positive and Negative?Normal Force, Forward Force are positive and Gravitational Force, Friction are negative
- 28InertiaA property of matter that an object has that resists a change in motion.
More Mass=More Inertia
Bowling Ball&Golf Ball, Bowling Ball is harder to push, because more INERTIA - 29Unbalanced ForcesA net force result that shows a change in motion; can be (+) or (-)
Basically the object is moving - 30AccelerationThe rate that speed changes over time
- 31FreefallThe motion of an object only acted on by the force of gravity; air resistance has little to no effect.
- 32What is Newton's 1st Law?An object at rest, will stay at rest, until an outside force changes its state. (Same with an object in motion)
- 33What is Newton's 2nd Law?Force causes acceleration, but mass resists acceleration (slows it down). Proves F=mxa formula
- 34What is Newtons 3rd Law?For every action, there is an equal and opposite reaction.
- 35What is the FIRST acceleration Formula?Magic Triangle.
F=mxa
M=f/a
A=f/m - 36What is the SECOND acceleration formula?Speed2-Speed1
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Time - 37Static FrictionNo object movement
- 38Sliding FrictionFriction that is applied to moving objects
- 39Rolling FrictionFriction applied to rolling objects
- 40Air Resistance FrictionThe friction of motion through air
- 41Viscous FrictionFriction with movement in liquids
- 42Nuclear ForceThe force that holds atoms together
- 43Electromagnetic Forceforce between positively charged and negatively charged objects
- 44Gravitational ForceForce of attraction due to great distances in mass and difference
Informações
- Descrição
- Mini Quiz on Unit 3 Physical Test
- Criado por
- Teresa Bui
- Visualizações
- 72
- Tags
- Avaliação