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PHYSICS Flashcards

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10948349360Volume formulaL x W x H0
10948358946Density formulaD=m/V Density=mass/volume1
10948381720Density unitkg/m^32
10948407249Pressure formulaPressure = Force/Area (P=F/A)3
10948410927Pressure unitN/m^2 or Pascal4
10948416599Law of Intertiaobjects at rest tend to stay at rest, and objects in motion tend to stay in motion unless acted upon by an outside force5
10948475048Law of Accelerationan object will move in the direction of the force applied to it (F=ma)6
10948459542law of motionFor every action there is an equal and opposite reaction7
10948493435Gravitythe force that attracts a body toward the center of the earth, or toward any other physical body having mass8
10948566003FrictionA force that opposes motion between two surfaces that are in contact9
10948570359buoyancyThe ability of a fluid to exert an upward force on an object placed in it10
10948576898AccelerationChange in velocity divided by the time it takes for the change to occur (m/s2)11
10948589763SpeedThe distance an object travels per unit of time12
10948592477speed formulas=d/t13
10948595841VelocitySpeed in a given direction14
10948626424VectorA quantity that has magnitude and direction15
10948636163magnitude16
10948676657DisplacementDistance and direction of an object's change in position from the starting point.17
10948763872free body diagrama diagram showing all the forces acting on an object18
10948840898How do you use a eureka can to calculate the volume of an irregularly shaped object?weigh the object19
11054256797ScalarA physical quantity that has magnitude only.20
11054259155Adding vectors"head to tail" + sum represented by arrow drawn from tail first vector to head second vector21
11054271394adding scalarsadd up both distances even if you change direction e.g. 2 miles north + 3 miles south = 5 miles22
11054275174Speed unit of measurementm/s23
11054280736time unitS24
11054284662Distance Unitsm25
11054287285AccelerationThe rate at which velocity changes26
11054291221Acceleration unitm/s/s27
11054295833calculating accelerationfinal speed-initial speed/time28
11054302027Gradientslope29
11054304679Calculating gradientchange in y/change in x30
11054310103areaLength x Width31
11054321495Speed-time graphA visual representation of the acceleration of an object32
11054324902center of massthe point in an object that moves as if all the object's mass were concentrated at that point33
11054333670irregular center of masswhere the mass is centered34
11368022547Massthe amount of matter in an object35
11368022548WeightA measure of the force of gravity on an object36
11368022549terminal velocitythe constant velocity of a falling object when the force of air resistance is equal in magnitude and opposite in direction to the force of gravity37
11368022550Force causing terminal velocityAir resistance38
11368022551Speed-time graphA visual representation of the acceleration of an object39
11368046817Hooke's LawThe law stating that the stress of a solid is directly proportional to the strain applied to it.40
11368046818Elastic and Plastic DeformationWhere the object loses its elasticity41
11368046819Hooke's Law EquationF=kx42
11368046820Weight and mass equationW=m×g43
11499776074ForceA push or pull exerted on an object44
11499776075balanced forcesEqual forces acting on an object in opposite directions45
11499776076unbalanced forcesforces acting on an object that combine and form a net force that is not zero46
11499776077Pressure formulaP=F/A (force/area)47
11499798935vector measurementa measurement that has magnitude and directional48
11499798936scalar measurementmeasurement with only magnitude or quantity49
11499846597Hooke's Law EquationF = -kx : Hooke's Law Equation states that the force exerted by a spring is equal to the spring constant times the distance the spring is compressed or stretched from its equilibrium position (k) - the spring constant which depends on the stiffness and other properties of the spring (x) - the distance that the spring is stretched from its equilibrium position50
11499935395Newton's Third Law of MotionFor every action there is an equal and opposite reaction51
11499935396Newton's Second LawForce equals mass times acceleration52
11499935397Newton's First LawAn object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.53
11937765494conservation of energyEnergy cannot be created or destroyed54
11937775758energy transfer55

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