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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. 1.25 kg/m^3
order of states of matter stronger to lesser forces between atoms
Pressure=
Kepler
density of air
2. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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3. You can't get more work out than the energy you put in
the pressure of liquids _____ when it goes faster
Change in internal energy
Power (watts)
Conservation of energy
4. 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).
Acceleration due to gravity on the earth
Physics
Kepler
Power (watts)
5. Rod with forces applied at opposite ends in opposite directions
frequency of light
Net force=0 net torque?0
Momentum
Flow through a pipe
6. Time= the square root of 2 x height / acceleration due to gravity
wavelength
Convert Celsius to Fahrenheit
Time for an object thrown to reach maximum height
Stable structures
7.
Pressure=
Energy of motion (kinetic energy)
The US uses how much of the total world energy consumption?
Voltage
8. Force per unit area
Pressure=
1 BTU
Time for an object thrown to reach maximum height
velocity through a medium
9. Number density x temperature
Thermodynamics
pressure depends on
pressure at depth h
Velocity required for an object to reach height h
10. P(P2-P1)D^4/128Ln n=fluid's viscosity
Internal energy
Velocity required for an object to reach height h
Flow through a pipe
density of water
11. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
Engine efficiency cannot be 100%
ultrasound
azX
12. You cant get as much out as you put in
Power (watts)
Frequency
Engine efficiency cannot be 100%
entropy
13. V1 x A1=v2 x A2
Frequency
Voltage
incoming and outgoing flow rate formula
mechanical wave
14. The total disorder of an object
Heat capacity equation
period p of a mass m oscillating on a horizontal spring of force constant k
entropy
wave
15. P x u x A
Thermodynamics
mass flow rate formula
Convert Celsius to Fahrenheit
Thermodynamics
16. A tendency for liquids to resist flowing.
Fluid force
viscosity
Stable structures
1 BTU
17. Heat is carried from place to place by the bulk movement of either liquids or gasses
Convert Celsius to Fahrenheit
Momentum
Convection
Heat capacity (specific heat)
18. Pressure x area
Heat
Convection
frequency of light
Fluid force
19. 25%
The US uses how much of the total world energy consumption?
Time for an object thrown to reach maximum height
Torque
Einstein
20. 10 m/s^2
Acceleration due to gravity on the earth
Acceleration
Present velocity
infrasound
21. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
mass flow rate formula
volume fluid flow rate
Thermal radiation
Power (watts)
22. Heat into system - work done by system
Convert Fahrenheit to Celsius
static fluid formula
Change in internal energy
Heat capacity equation
23. As the speed of a moving fluid increases - the pressure within the fluid decreases
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24. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Newton's Second Law
volume fluid flow rate formula
Total momentum before collision
Torque
25. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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26. A disturbance that propagates through a medium
Torque
Newton's Second Law
azX
mechanical wave
27. Net force=0 net torque=0
Heat
Heat
Equilibrium
volume fluid flow rate
28. Hf
Photon energy
Heat capacity (specific heat)
Acceleration due to gravity on the earth
order of states of matter stronger to lesser forces between atoms
29. Speed of light / wavelength
frequency of light
Kepler
Wavelength
Centripedal acceleration=
30. 1 / period (time)
Distance traveled
Frequency
Kepler
Newton's Second Law
31. F=mass x acceleration
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32. Force x lever arm
Convection
Torque
Present velocity
density of lead
33. 10 m/s^2
Acceleration due to gravity on the earth
pressure does what when depth is increased
density of aluminum
Engine efficiency
34. The combination of force and point of application
Torque
Thermodynamics
the pressure of liquids _____ when it goes faster
continuity
35. Decreases
1 BTU
measure of density
bernoulli's equation
the pressure of liquids _____ when it goes faster
36. Fbottom-Ftop=mg=(density x vol) x g
variation of pressure with depth
law of conservation of energy
Time for an object thrown to reach maximum height
density of water
37. The study of heat and its transformation into mechanical energy
Thermodynamics
atmospheric pressure (atm)
pressure at depth h
Momentum
38. Change in velocity / time
Fluid force
Convection
Center of gravity (CG)
Acceleration
39. Time= the square root of 2 x height / acceleration due to gravity
density of lead
Center of gravity (CG)
Thermal conductivity
Time for an object thrown to reach maximum height
40. Rod with forces applied at opposite ends in the same direction
Net force?0 net torque=0
Buoyant force
volume fluid flow rate formula
Momentum
41. 2p x square root L/g
Conduction
period of a pendulum T of length L
Radiation
Thermal conductivity
42. Sounds above 20 -000 Hz
Radiation
Frequency
Velocity=
ultrasound
43.
period of a pendulum T of length L
Distance traveled
Quantum mechanics
frequency of light
44. 9/5T(C)+32
Speed of light
Convert Celsius to Fahrenheit
wavelength
definition of Bernoulii's equation
45. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Net force
the pressure of liquids _____ when it goes faster
definition of Bernoulii's equation
Brahe
46. Z+n
period p of a mass m oscillating on a horizontal spring of force constant k
azX
incoming and outgoing flow rate formula
density of lead
47. Maximum displacement from equilibrium
amplitude
volume fluid flow rate formula
period p of a mass m oscillating on a horizontal spring of force constant k
Conservation of energy
48. T(C) +273
Convert Celsius to Kelven
velocity through a medium
the pressure of liquids _____ when it goes faster
Kepler
49. Why things move
Pressure=
Torque
Thermal radiation
Mechanics
50. Change in velocity / time
Distance traveled
Acceleration
Velocity=
Brahe