Unit 6: Solids and Liquids

Question 1

What is the equation for P(pressure)?

Answer 1

P=F/A

Jocelyn Gomez, IR,DE,SP

Question 2

In Bernoulli’s equation, P represents the…

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

Answer 2

Absolute pressure

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

Question 3

What is Buoyant force?

Answer 3

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

Itzel Ruvalcaba, JGR, SP, DE

Question 4

What was Pascal’s principle?

Answer 4

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

Question 5

What State of Matter has a Definite Shape?

Answer 5

Gabriela Salazar/JR/AS

Question 6

Atmospheric pressure is equal to ________ in units of psi?

Answer 6

14.7 psi

NO NAME

Question 7

What are the 4 states of Matter?

Answer 7

Solid
Liquid
Gas
Plasma

Stervie Piya

Question 8

What happens when liquids are stressed?

Answer 8

They deform and do not spring back into their original shape

Isabella G and Peyton W

Question 9

what is the equation for flow rate?

Answer 9

Q=v/t

Question 10

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

Answer 10

P=hρg

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

Question 11

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

Answer 11

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

Rhys Morrow, CD, LR

Question 12

liquids are;

Answer 12

incompressible

Question 13

How do bones fracture?

Answer 13

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

Isabella G and Peyton W

Question 14

what is density defined as in equation form?

Answer 14

p=m/v

Question 15

what might density reveal about an object?

Answer 15

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

Question 16

How is pressure exerted on a swimmer?

Answer 16

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

Question 17

Define change in gravitational potential energy

Answer 17

PEg = mgh

Christopher, Angelina

Question 18

What is a barometer?

Answer 18

A barometer is a device that measure atmospheric pressure

Isabella G and Peyton W

Question 19

What is Bouyant force?

Answer 19

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

Christopher, Angelina

Question 20

What are the 4 states of matter?

Answer 20

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

Christopher, Angelina

Question 21

What does body density indicate?

Answer 21

A persons body fat

Isabella G and Peyton W

Question 22

A hydraulic system can increase force but cannot;

Answer 22

do more work than done on it.

Question 23

What is the formula for Absolute Pressure?

Answer 23

Question 24

Definition of Isolated System

Answer 24

The external force is zero (Fnet = 0)

Christopher, Angelina

Question 25

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

Answer 25

the weight of the fluid the object displaces

Question 26

Define Internal Kinetic Energy

Answer 26

The sum of the kinetic energies of the objects in the system Christopher, Angelina

Question 27

Define Elastic Collision

Answer 27

One that conserves internal kinetic energy Christopher, Angelina

Question 28

What is systolic pressure?

Answer 28

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

Question 29

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

Answer 29

F1/A1=F2/A2 (F= force, A= area) | Lanie, R.M., C.D.

Question 30

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

Answer 30

A=πr^2 (A=area, r=radius)

Question 31

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?

Answer 31

The bricks.

Question 32

What is Gauge Pressure?

Answer 32

is the pressure relative to atmospheric pressure Itzel Ruvalcaba , JR, SP, DE

Question 33

what is the equation for Flow rate, Q

Answer 33

Q=V/t

Question 34

Pressure is exerted ___________

Answer 34

perpendicular to all surfaces it contacts Donovan De Los Santos

Question 35

what is Hooke's Law?

Answer 35

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

Question 36

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

Answer 36

M=pV | Hipolito salazar

Question 37

what is bernoulli's equation?

Answer 37

P+1/2pV^2+pgh = constant | - Is the relationship between pressure and velocity

Question 38

(11.1) | What State of Matter has a Definite Shape?

Answer 38

Solid (Gabriela Salazar)

Question 39

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

Answer 39

p(abs)=p(g)+ p(atm) Absolute Pressure is the sum of Gauge Pressure and Atmospheric Pressure. (Gabriela Salazar)

Question 40

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

Answer 40

p(fluid)=p+pgh | Gabriela Salazar

Question 41

11.5 Hydraulic System

Answer 41

An enclosed fluid system used to exert forces Sofia Rodriguez, DS, JQ, MP

Question 42

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

Answer 42

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

Question 43

12.1 Equation of continuity

Answer 43

N1A1V1=N2A2V2 Sofia Rodriguez DS, JQ, MP

Question 44

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

Answer 44

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

Question 45

What is Archimedes principle and whats the equation for it.

Answer 45

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

Question 46

What is the formula of Hooke's Law?

Answer 46

F=K | Damiana, JR, SP, IR

Question 47

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.

Answer 47

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

Question 48

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?

Answer 48

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

Question 49

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?

Answer 49

100mb = 1x10^4 Pa Leonardo Fernandez

Question 50

Section 5.3: Elasticity | What is the definition of tensile strength?

Answer 50

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

Question 51

Section 11.3: Pressure What are the units used to measure pressure?

Answer 51

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

Question 52

Section 11.2: What does density help identify?

Answer 52

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

Question 53

Section 5.3: What is Tensile Strength?

Answer 53

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

Question 54

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

Answer 54

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

Question 55

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

Answer 55

The conservation of energy principle. | Jacob Quintero

Question 56

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

Answer 56

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)