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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. The efficiency with which an object emits thermal radiation. Is a number between 0 and 1. A good emitter has an e close to 1.
incoming and outgoing flow rate formula
1 BTU
Emissive
Acceleration due to gravity on the earth
2. Fbottom=Ftop+mg where mg is the weight of the volume
order of states of matter stronger to lesser forces between atoms
period p of a mass m oscillating on a horizontal spring of force constant k
static fluid formula
First Law of thermodynamics
3. Are wider at the base (which lowers their center of gravity)
Torque
Thermal conductivity
Stable structures
wavelength
4. The combination of force and point of application
period of a pendulum T of length L
Torque
law of conservation of energy
pressure at depth h
5. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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6. The total disorder of an object
entropy
Equilibrium
Kepler
Frequency
7. You cant get as much out as you put in
Engine efficiency cannot be 100%
continuity
wavelength
Heat
8. V1 x A1=v2 x A2
Momentum
Brahe
Condition for stability
incoming and outgoing flow rate formula
9. 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.
Galileo
Newton
Einstein
density of air
10. 9/5T(C)+32
Radiation
Convert Celsius to Fahrenheit
1 BTU
Speed of light
11. New theory that explained behavior at the atomic level
density of water
Present velocity
Quantum mechanics
Radiation
12. The energy that flows from one system to another because of their temperature difference.
Thermodynamics
Wavelength
Heat
Newton's Second Law
13. Heat Q= mass of sample x specific heat x temp change
Internal energy
viscosity
Thermal conductivity
Heat capacity equation
14. P x u x A
Convection
Heat capacity (specific heat)
volume fluid flow rate
mass flow rate formula
15.
Convection
the pressure of liquids _____ when it goes faster
Speed of light
Distance traveled
16. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Flow through a pipe
Second law of thermodynamics
pressure depends on
Convert Celsius to Fahrenheit
17. 11 -000 kg/m^3
density of aluminum
density of lead
Momentum
order of states of matter stronger to lesser forces between atoms
18. Hf
Photon energy
the pressure of liquids _____ when it goes faster
variation of pressure with depth
Net force
19. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Acceleration due to gravity on the earth
Resistance
volume fluid flow rate formula
pressure at depth h
20. How much torque it takes to get an object rotating
Voltage
pressure at depth h
Rotational inertia (moment of inertia)
Torque
21.
Thermal radiation
Energy of motion (kinetic energy)
pressure depends on
Convection
22. 9/5T(C)+32
Convert Celsius to Kelven
bernoulli's equation
Wave speed=
Convert Celsius to Fahrenheit
23. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Centripedal acceleration=
Period
when ice in water melts what happens?
Brahe
24. Fbottom-Ftop=mg=(density x vol) x g
The US uses how much of the total world energy consumption?
mechanical wave
Aristotle
variation of pressure with depth
25. Force per unit area
bernoulli's equation
Engine efficiency
Pressure=
pressure depends on
26. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Energy of motion (kinetic energy)
1 BTU
Heat capacity equation
static fluid formula
27. Net force=0 net torque=0
variation of pressure with depth
Convert Celsius to Fahrenheit
mechanical wave
Equilibrium
28. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Frequency
Newton
Kepler
c=3x10^8 m/s
29. Speed of light / wavelength
Thermal radiation
Stable
density of water
frequency of light
30. V x A= constant
infrasound
Stable
continuity
Quantum mechanics
31. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
period p of a mass m oscillating on a horizontal spring of force constant k
frequency of light
Einstein
32. Equals total momentum after collision
Resistance
Total momentum before collision
Change in internal energy
Velocity=
33. Sounds above 20 -000 Hz
ultrasound
Projectile
measurement of pressure
First Law of thermodynamics
34. 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).
period of a pendulum T of length L
Physics
Wave speed=
mechanical wave
35. Fbottom=Ftop+mg where mg is the weight of the volume
Buoyant force
Projectile
static fluid formula
Heat capacity (specific heat)
36. Pascal (Pa) or pounds per square inch (psi)
measurement of pressure
Conservation of energy
Aristotle
Engine efficiency
37. 5/9 [T(F)-32]
Pressure=
Newton
azX
Convert Fahrenheit to Celsius
38. T=2p square root m/k frequency= square root k/m;/2p
period of a pendulum T of length L
the pressure of liquids _____ when it goes faster
period p of a mass m oscillating on a horizontal spring of force constant k
bernoulli's equation
39. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Wave speed=
mass flow rate formula
wavelength
Brahe
40. The center of an object
Velocity required for an object to reach height h
Center of gravity (CG)
Voltage
Flow through a pipe
41. Rod with forces applied at opposite ends in opposite directions
Net force=0 net torque?0
Stable
measure of density
Convert Celsius to Kelven
42. 18600 miles/sec
Speed of light
Pressure=
volume fluid flow rate formula
variation of pressure with depth
43.
Distance traveled
Convert Fahrenheit to Celsius
density of lead
infrasound
44. Net force=0 net torque=0
Equilibrium
Torque
amplitude
Brahe
45. Distance traveled / time
variation of pressure with depth
Heat capacity equation
Velocity=
Why does something move?
46. T(C) +273
Convert Celsius to Kelven
Einstein
definition of Bernoulii's equation
Velocity=
47. Why things move
Mechanics
mass flow rate formula
Momentum
pressure depends on
48. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
when ice in water melts what happens?
Newton
Internal energy
law of conservation of energy
49. 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.
density of water
mass flow rate formula
static fluid formula
First Law of thermodynamics
50. Maximum displacement from equilibrium
Acceleration
density of air
frequency of light
amplitude