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Test your basic knowledge |
Everyday Physics
Start Test
Study First
Subjects
:
science
,
literacy
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. As the speed of a moving fluid increases - the pressure within the fluid decreases
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2. T=2p square root m/k frequency= square root k/m;/2p
Kepler
First Law of thermodynamics
entropy
period p of a mass m oscillating on a horizontal spring of force constant k
3. A tendency for liquids to resist flowing.
c=3x10^8 m/s
Rotational inertia (moment of inertia)
viscosity
Total momentum before collision
4. The effectiveness of a material in conducting heat
Velocity=
Internal energy
Heat
Thermal conductivity
5. 9/5T(C)+32
definition of Bernoulii's equation
Convert Celsius to Fahrenheit
when ice in water melts what happens?
Pressure=
6. Time required to complete one cycle
Convert Celsius to Fahrenheit
period of a pendulum T of length L
The US uses how much of the total world energy consumption?
Period
7. Sounds below 30 Hz
infrasound
Resistance
Acceleration
Center of gravity (CG)
8. Time= the square root of 2 x height / acceleration due to gravity
Time for an object thrown to reach maximum height
Net force
pressure depends on
bernoulli's equation
9. Net force=0 net torque=0
Quantum mechanics
Brahe
order of states of matter stronger to lesser forces between atoms
Equilibrium
10. Fbottom-Ftop=mg=(density x vol) x g
Internal energy
Convert Celsius to Kelven
Heat
variation of pressure with depth
11. Decreases
frequency of light
Convert Celsius to Kelven
the pressure of liquids _____ when it goes faster
variation of pressure with depth
12. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Buoyant force
Centripedal acceleration=
Newton's Second Law
Projectile
13. 1.25 kg/m^3
Wavelength
Heat
density of air
static fluid formula
14. 100 -000 n/m^2
atmospheric pressure (atm)
Galileo
Thermodynamics
Heat capacity (specific heat)
15. A disturbance that propagates through a medium
mechanical wave
Mechanics
density of water
continuity
16. Current x voltage energy/time (joules per second)
The US uses how much of the total world energy consumption?
Power (watts)
Heat capacity (specific heat)
Emissive
17. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Rotational inertia (moment of inertia)
period p of a mass m oscillating on a horizontal spring of force constant k
Heat capacity (specific heat)
wave
18. Solids - liquids - gases
Distance traveled
Thermal radiation
density of aluminum
order of states of matter stronger to lesser forces between atoms
19. The first to do experimental studies of the laws of motion and was Imprisoned by Pope Urban VIII in 1633 for advocating the Copernican theory - also know as the heliocentric theory - that the earth was a planet revolving around the sun.
Aristotle
azX
Galileo
Speed of light
20. Force x lever arm
Torque
measure of density
Flow through a pipe
the pressure of liquids _____ when it goes faster
21. The study of how objects behave (from the very tiny to the very big - and from the beginning of the Universe to its ultimate fate).
Physics
Photon energy
viscosity
Power (watts)
22. An object that is thrown or struck or shot and then travels under the influence of gravity
Resistance
Momentum
infrasound
Projectile
23. The energy that flows from one system to another because of their temperature difference.
the pressure of liquids _____ when it goes faster
Equilibrium
Energy of motion (kinetic energy)
Heat
24. An object that is thrown or struck or shot and then travels under the influence of gravity
wave
Projectile
Physics
Weight
25. You cant get as much out as you put in
Galileo
Physics
law of conservation of energy
Engine efficiency cannot be 100%
26. You cant get as much out as you put in
amplitude
Engine efficiency cannot be 100%
when ice in water melts what happens?
infrasound
27. The total disorder of an object
Convert Celsius to Fahrenheit
entropy
Heat
Change in internal energy
28. Believed that the natural state of objects was to be at rest
Equilibrium
Aristotle
Acceleration
restoring force
29. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Net force?0 net torque=0
entropy
infrasound
volume fluid flow rate formula
30. 100 -000 n/m^2
Net force?0 net torque=0
Einstein
Acceleration due to gravity on the earth
atmospheric pressure (atm)
31. New theory that explained behavior at the atomic level
measure of density
static fluid formula
Quantum mechanics
Conservation of energy
32. Equals total momentum after collision
Total momentum before collision
static fluid formula
Time for an object thrown to reach maximum height
Engine efficiency cannot be 100%
33.
pressure does what when depth is increased
Distance traveled
Internal energy
azX
34. P + density x g h
velocity through a medium
First Law of thermodynamics
the pressure of liquids _____ when it goes faster
pressure at depth h
35. Heat is transferred directly through a material with no bulk movement of material
Conduction
Why does something move?
Heat
Photon energy
36. Voltage / current
period p of a mass m oscillating on a horizontal spring of force constant k
Resistance
First Law of thermodynamics
Speed of light
37. If energy is transferred and the internal energy of system B decreases by some amount then the internal energy of system A must incrase by the same amount.
measurement of pressure
Convert Celsius to Fahrenheit
First Law of thermodynamics
order of states of matter stronger to lesser forces between atoms
38. 25%
Radiation
The US uses how much of the total world energy consumption?
Radiation
mechanical wave
39. T(C) +273
Convert Celsius to Kelven
Internal energy
Time for an object thrown to reach maximum height
Fluid force
40. Voltage / current
Center of gravity (CG)
entropy
bernoulli's equation
Resistance
41. Initial velocity= the square root of 2gh
volume fluid flow rate formula
azX
Change in internal energy
Velocity required for an object to reach height h
42. Wavelength x frequency
Pressure=
when ice in water melts what happens?
measurement of pressure
Wave speed=
43. The first to do experimental studies of the laws of motion and was Imprisoned by Pope Urban VIII in 1633 for advocating the Copernican theory - also know as the heliocentric theory - that the earth was a planet revolving around the sun.
Kepler
Galileo
Speed of light
Radiation
44. T(C) +273
measure of density
Convert Celsius to Kelven
Power (watts)
Quantum mechanics
45. Pressure x area
Time for an object thrown to reach maximum height
Fluid force
Pressure=
frequency of light
46. Current x resistance
law of conservation of energy
Thermodynamics
Voltage
Radiation
47. Pascal (Pa) or pounds per square inch (psi)
Resistance
Heat capacity equation
measurement of pressure
Condition for stability
48. Sounds above 20 -000 Hz
velocity through a medium
ultrasound
Heat capacity (specific heat)
Velocity=
49. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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50. Number density x temperature
Pressure=
pressure depends on
Frequency
1 BTU