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ON RAMPS Physics > Unit 6: Solids and Liquids > Flashcards

Unit 6: Solids and Liquids Flashcards

1
Q

What is the equation for P(pressure)?

A

P=F/A

Jocelyn Gomez, IR,DE,SP

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2
Q

In Bernoulli’s equation, P represents the…

P+1/2pv^2+pgh= Constant

A

Absolute pressure

Antonio Ortiz, E.H., A.P., A.U.

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3
Q

What is Buoyant force?

A

An Upward force by a fluid that opposes the weight of fully immersed object.

Itzel Ruvalcaba, JGR, SP, DE

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4
Q

What was Pascal’s principle?

A

When pressure is in an enclosed, Atoms transmit pressure to all parts of the fluid and the walls of the containers. When the pressure transmitted is undiminished that’s Pascal’s principle.

Jocelyn Gomez, IR, DE, SP

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5
Q

What State of Matter has a Definite Shape?

A

Gabriela Salazar/JR/AS

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6
Q

Atmospheric pressure is equal to ________ in units of psi?

A

14.7 psi

NO NAME

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7
Q

What are the 4 states of Matter?

A

Solid
Liquid
Gas
Plasma

Stervie Piya

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8
Q

What happens when liquids are stressed?

A

They deform and do not spring back into their original shape

Isabella G and Peyton W

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9
Q

what is the equation for flow rate?

A

Q=v/t

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10
Q

How do you calculate the average pressure due to the weight of a fluid?

A

P=hρg

P is average pressure
h is depth
ρ is average density
g is gravity

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11
Q

How do you calculate the average pressure due to the weight of a fluid?

A

P is average pressure
h is depth
ρ is average density
g is gravity

Rhys Morrow, CD, LR

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12
Q

liquids are;

A

incompressible

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13
Q

How do bones fracture?

A

They fracture due to sideways impact or bending, resulting in the bone snapping

Isabella G and Peyton W

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14
Q

what is density defined as in equation form?

A

p=m/v

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15
Q

what might density reveal about an object?

A

its composition and its state of matter. ( solid, liquid, gas

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16
Q

How is pressure exerted on a swimmer?

A

Pressure is exerted on all sides of the swimmer, since the water would flow into the space they would occupy if they were not there

Isabella G and Peyton W

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17
Q

Define change in gravitational potential energy

A

PEg = mgh

Christopher, Angelina

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18
Q

What is a barometer?

A

A barometer is a device that measure atmospheric pressure

Isabella G and Peyton W

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19
Q

What is Bouyant force?

A

The bouyant force is the net upwards force on any object in any fluids. (ex. Balloon’s and Anchor & Boats)

Christopher, Angelina

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20
Q

What are the 4 states of matter?

A

The 4 states of matter are solid’s and liquids and gas & plasma’s.

Christopher, Angelina

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21
Q

What does body density indicate?

A

A persons body fat

Isabella G and Peyton W

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22
Q

A hydraulic system can increase force but cannot;

A

do more work than done on it.

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23
Q

What is the formula for Absolute Pressure?

A
24
Q

Definition of Isolated System

A

The external force is zero (Fnet = 0)

Christopher, Angelina

25
Q

what does the buoyant force in the Archimedes principles equal too?

A

the weight of the fluid the object displaces

26
Q

Define Internal Kinetic Energy

A

The sum of the kinetic energies of the objects in the system

Christopher, Angelina

27
Q

Define Elastic Collision

A

One that conserves internal kinetic energy

Christopher, Angelina

28
Q

What is systolic pressure?

A

The maximum blood pressure. (When it pulsates because of the pumping action of the heart.)
Lanie, R.M., C.D.

29
Q

What is the equation for Pascal’s principle applied to hydraulic systems?

A

F1/A1=F2/A2 (F= force, A= area)

Lanie, R.M., C.D.

30
Q

In the equation for pressure, P=F/A (F=force and A=area), area can be substituted for which equation?

A

A=πr^2 (A=area, r=radius)

31
Q

If a ton of feathers and a ton of bricks are on either side of a seesaw, but the feathers form a much bigger pile. Which substance has the greater density?

A

The bricks.

32
Q

What is Gauge Pressure?

A

is the pressure relative to atmospheric pressure

Itzel Ruvalcaba , JR, SP, DE

33
Q

what is the equation for Flow rate, Q

A

Q=V/t

34
Q

Pressure is exerted ___________

A

perpendicular to all surfaces it contacts

Donovan De Los Santos

35
Q

what is Hooke’s Law?

A

The elastic properties of materials only in the range in which the force and displacement are proportional
(Hipolito salazar)

36
Q

How can we find the mass of the fuid forms its volume and density?

A

M=pV

Hipolito salazar

37
Q

what is bernoulli’s equation?

A

P+1/2pV^2+pgh = constant

- Is the relationship between pressure and velocity

38
Q

(11.1)

What State of Matter has a Definite Shape?

A

Solid (Gabriela Salazar)

39
Q

(11.6) How Does Gauge Pressure relate to Absolute Pressure?

A

p(abs)=p(g)+ p(atm)

Absolute Pressure is the sum of Gauge Pressure and Atmospheric Pressure. (Gabriela Salazar)

40
Q

(11.4) What Equation can you use to Calculate Pressure due to Weight of a Fluid.

A

p(fluid)=p+pgh

Gabriela Salazar

41
Q

11.5 Hydraulic System

A

An enclosed fluid system used to exert forces

Sofia Rodriguez, DS, JQ, MP

42
Q

What is pressure and how do you find the formula for it?

A

Pressure is the force divided by the area perpendicular to the force.
The formula is P=F/A which is pressure equals force over area.

Desiree Stemley,SR,MP,JQ

43
Q

12.1 Equation of continuity

A

N1A1V1=N2A2V2

Sofia Rodriguez
DS, JQ, MP

44
Q

Absolute Pressure
Vs
Gauge pressure
Psi=pressure
Pg=Pressure gauge
Pabs=absolute pressure
Patm=Atmospheric pressure

A

Absolute pressure is the sum of gauge pressure and
atmospheric pressure while gauge pressure is the pressure
relative to the atmospheric pressure.
Desiree Stemley,SR,JQ,MP

45
Q

What is Archimedes principle and whats the equation for it.

A

Archimedes principle is the buoyant force on an object and it equals the weight of the fluid it displaces.The equation is FB=Wfl which is buoyant force=weight of fluid.

Desiree Stemley,SR,MP,JQ

46
Q

What is the formula of Hooke’s Law?

A

F=K

Damiana, JR, SP, IR

47
Q

Section 12.1: How many cubic meters of blood does the heart pump in a 75-year lifetime, assuming the average flow rate is 5.00 L/min?

Hint:Your going to need to find the amount of minutes in a year.

A

Use: V=Qt

Substituting known values yields

V=(5.00L/1 min) (75y) (1m^3/ 10^3L) (5.26×105min/y)

=2.0×10^5m^3.

Leonardo Fernandez

48
Q

Section 11.4

If we are given the equation P= (mg)/A but we don’t have m (mass of the fluid), then how do we find m?

A

To solve for m you can use m=pAh or m=pV depending on the given variables.

Leonardo Fernandez

49
Q

Section 11.3

Atmospheric pressure is often described in units of millibar (mb), if there are 100mb of pressure then how would that convert to pascals?

A

100mb = 1x10^4 Pa

Leonardo Fernandez

50
Q

Section 5.3: Elasticity

What is the definition of tensile strength?

A

Tensile strength is the maximum amount of deformation or stretch an object can handle before breaking.

Alejandro Mendoza

51
Q

Section 11.3: Pressure

What are the units used to measure pressure?

A

Pressure can be measured in Pascals (Pa) (1 Pa = 1 N/m^2)
Pressure can also be measured by pounds per square inch (psi)

Alejandro Mendoza

52
Q

Section 11.2: What does density help identify?

A

It helps identify the composition of a material (Madison Perez)

53
Q

Section 5.3: What is Tensile Strength?

A

Tensile Strength is the breaking stress or resistance of a material that can cause it to break or deformation. (Madison Perez)

54
Q

Section 11.4: What is the equation associated with the Variation of Pressure with Depth in a Fluid? What does each variable stand for?

A 
P = hpg
h = height of the column
p = density of the liquid
g = acceleration of free fall
( Jacob Quintero)
55
Q

Section 12.2: What is another form of Bernoulli’s Equation?

A

The conservation of energy principle.

Jacob Quintero

56
Q

Section 11.6: Why is a solid not considered a fluid like gasses and liquids are?

A

We can refer to gasses and liquids as fluids due to the reasoning that their atoms are constantly moving; gasses atoms moving more freely than liquids. However, solids atoms stay together and do not move around.
( Jacob Quintero)

ON RAMPS Physics (2 decks)

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