PHYSICS Flashcards

10948349360	Volume formula	L x W x H	0
10948358946	Density formula	D=m/V Density=mass/volume	1
10948381720	Density unit	kg/m^3	2
10948407249	Pressure formula	Pressure = Force/Area (P=F/A)	3
10948410927	Pressure unit	N/m^2 or Pascal	4
10948416599	Law of Intertia	objects at rest tend to stay at rest, and objects in motion tend to stay in motion unless acted upon by an outside force	5
10948475048	Law of Acceleration	an object will move in the direction of the force applied to it (F=ma)	6
10948459542	law of motion	For every action there is an equal and opposite reaction	7
10948493435	Gravity	the force that attracts a body toward the center of the earth, or toward any other physical body having mass	8
10948566003	Friction	A force that opposes motion between two surfaces that are in contact	9
10948570359	buoyancy	The ability of a fluid to exert an upward force on an object placed in it	10
10948576898	Acceleration	Change in velocity divided by the time it takes for the change to occur (m/s2)	11
10948589763	Speed	The distance an object travels per unit of time	12
10948592477	speed formula	s=d/t	13
10948595841	Velocity	Speed in a given direction	14
10948626424	Vector	A quantity that has magnitude and direction	15
10948636163	magnitude		16
10948676657	Displacement	Distance and direction of an object's change in position from the starting point.	17
10948763872	free body diagram	a diagram showing all the forces acting on an object	18
10948840898	How do you use a eureka can to calculate the volume of an irregularly shaped object?	weigh the object	19
11054256797	Scalar	A physical quantity that has magnitude only.	20
11054259155	Adding vectors	"head to tail" + sum represented by arrow drawn from tail first vector to head second vector	21
11054271394	adding scalars	add up both distances even if you change direction e.g. 2 miles north + 3 miles south = 5 miles	22
11054275174	Speed unit of measurement	m/s	23
11054280736	time unit	S	24
11054284662	Distance Units	m	25
11054287285	Acceleration	The rate at which velocity changes	26
11054291221	Acceleration unit	m/s/s	27
11054295833	calculating acceleration	final speed-initial speed/time	28
11054302027	Gradient	slope	29
11054304679	Calculating gradient	change in y/change in x	30
11054310103	area	Length x Width	31
11054321495	Speed-time graph	A visual representation of the acceleration of an object	32
11054324902	center of mass	the point in an object that moves as if all the object's mass were concentrated at that point	33
11054333670	irregular center of mass	where the mass is centered	34
11368022547	Mass	the amount of matter in an object	35
11368022548	Weight	A measure of the force of gravity on an object	36
11368022549	terminal velocity	the constant velocity of a falling object when the force of air resistance is equal in magnitude and opposite in direction to the force of gravity	37
11368022550	Force causing terminal velocity	Air resistance	38
11368022551	Speed-time graph	A visual representation of the acceleration of an object	39
11368046817	Hooke's Law	The law stating that the stress of a solid is directly proportional to the strain applied to it.	40
11368046818	Elastic and Plastic Deformation	Where the object loses its elasticity	41
11368046819	Hooke's Law Equation	F=kx	42
11368046820	Weight and mass equation	W=m×g	43
11499776074	Force	A push or pull exerted on an object	44
11499776075	balanced forces	Equal forces acting on an object in opposite directions	45
11499776076	unbalanced forces	forces acting on an object that combine and form a net force that is not zero	46
11499776077	Pressure formula	P=F/A (force/area)	47
11499798935	vector measurement	a measurement that has magnitude and directional	48
11499798936	scalar measurement	measurement with only magnitude or quantity	49
11499846597	Hooke's Law Equation	F = -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 position	50
11499935395	Newton's Third Law of Motion	For every action there is an equal and opposite reaction	51
11499935396	Newton's Second Law	Force equals mass times acceleration	52
11499935397	Newton's First Law	An 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
11937765494	conservation of energy	Energy cannot be created or destroyed	54
11937775758	energy transfer		55