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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. Distance traveled / time
Center of gravity (CG)
pressure depends on
Velocity=
Condition for stability
2. Heat is transferred directly through a material with no bulk movement of material
Engine efficiency cannot be 100%
measurement of pressure
mass flow rate formula
Conduction
3. 5/9 [T(F)-32]
viscosity
velocity through a medium
Convert Fahrenheit to Celsius
Acceleration
4. It increases
Radiation
pressure does what when depth is increased
Conservation of energy
measurement of pressure
5. Wavelength x frequency
Wavelength
Wave speed=
pressure does what when depth is increased
wavelength
6. Time= the square root of 2 x height / acceleration due to gravity
volume fluid flow rate
pressure at depth h
Aristotle
Time for an object thrown to reach maximum height
7. The heat transfer by electromagnetic waves - thermal light waves
Kepler
measurement of pressure
Heat capacity (specific heat)
Radiation
8. T(C) +273
Einstein
Convert Celsius to Kelven
Wavelength
Torque
9. Number density x temperature
Buoyant force
Projectile
pressure depends on
Radiation
10. Heat is carried from place to place by the bulk movement of either liquids or gasses
infrasound
Heat
Convection
variation of pressure with depth
11. Because nothing stops it
Rotational inertia (moment of inertia)
Velocity required for an object to reach height h
density of water
Why does something move?
12. T=2p square root m/k frequency= square root k/m;/2p
period p of a mass m oscillating on a horizontal spring of force constant k
density of aluminum
Engine efficiency cannot be 100%
Photon energy
13. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
law of conservation of energy
wavelength
azX
14. 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.
Second law of thermodynamics
Brahe
Quantum mechanics
Emissive
15. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Time for an object thrown to reach maximum height
mass flow rate formula
Thermal conductivity
volume fluid flow rate formula
16. Heat is carried from place to place by the bulk movement of either liquids or gasses
definition of Bernoulii's equation
Convection
Momentum
order of states of matter stronger to lesser forces between atoms
17. Sounds below 30 Hz
Present velocity
Stable
infrasound
Wavelength
18. A tendency for liquids to resist flowing.
Voltage
Quantum mechanics
viscosity
when ice in water melts what happens?
19. Solids - liquids - gases
Second law of thermodynamics
viscosity
order of states of matter stronger to lesser forces between atoms
azX
20. Sounds above 20 -000 Hz
Torque
Time for an object thrown to reach maximum height
ultrasound
the pressure of liquids _____ when it goes faster
21. The total disorder of an object
Flow through a pipe
pressure depends on
entropy
Period
22. 18600 miles/sec
Speed of light
Net force
Second law of thermodynamics
atmospheric pressure (atm)
23. Rod with forces applied at opposite ends in the same direction
Engine efficiency
period of a pendulum T of length L
Net force?0 net torque=0
Rotational inertia (moment of inertia)
24. The change in internal energy= the heat absorbed- the work done
Time for an object thrown to reach maximum height
Energy of motion (kinetic energy)
Engine efficiency cannot be 100%
law of conservation of energy
25. A disturbance that moves through something
wave
Thermal radiation
measurement of pressure
variation of pressure with depth
26. 1 / period (time)
Frequency
pressure depends on
frequency of light
bernoulli's equation
27. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Projectile
Newton's Second Law
Engine efficiency cannot be 100%
Second law of thermodynamics
28. P x u x A
wave
mass flow rate formula
Voltage
Acceleration due to gravity on the earth
29. Velocity squared / radius
wavelength
Engine efficiency
Centripedal acceleration=
Fluid force
30. A disturbance that propagates through a medium
mechanical wave
velocity through a medium
volume fluid flow rate formula
Velocity required for an object to reach height h
31. The force that brings a system back to equilibrium
Period
Internal energy
restoring force
Thermal radiation
32. The center of an object
Center of gravity (CG)
Voltage
infrasound
Why does something move?
33. P(P2-P1)D^4/128Ln n=fluid's viscosity
Weight
Internal energy
Einstein
Flow through a pipe
34. 25%
density of aluminum
amplitude
The US uses how much of the total world energy consumption?
azX
35. 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.
Buoyant force
First Law of thermodynamics
Rotational inertia (moment of inertia)
Physics
36. Length of a wave
Stable structures
wavelength
Pressure=
Net force=0 net torque?0
37. Believed that the natural state of objects was to be at rest
mechanical wave
Projectile
pressure does what when depth is increased
Aristotle
38. A tendency for liquids to resist flowing.
Energy of motion (kinetic energy)
velocity through a medium
viscosity
restoring force
39. Believed that the natural state of objects was to be at rest
ultrasound
Aristotle
Engine efficiency cannot be 100%
wavelength
40. Voltage / current
density of water
First Law of thermodynamics
Resistance
infrasound
41. Rod with forces applied at opposite ends in opposite directions
Voltage
Net force=0 net torque?0
incoming and outgoing flow rate formula
Internal energy
42. Hf
density of water
Photon energy
Acceleration due to gravity on the earth
Change in internal energy
43. 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).
volume fluid flow rate formula
Convert Fahrenheit to Celsius
Rotational inertia (moment of inertia)
Physics
44. C/n
velocity through a medium
Buoyant force
Stable
Convert Celsius to Kelven
45. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
Power (watts)
velocity through a medium
Physics
46. Pressure x area
Speed of light
Convection
Photon energy
Fluid force
47. Pascal (Pa) or pounds per square inch (psi)
measurement of pressure
Heat
Engine efficiency
Wavelength
48. Initial velocity= the square root of 2gh
Velocity=
Velocity required for an object to reach height h
Energy of motion (kinetic energy)
Rotational inertia (moment of inertia)
49. Kg/m^3
order of states of matter stronger to lesser forces between atoms
Projectile
measure of density
Acceleration
50. Sounds below 30 Hz
infrasound
law of conservation of energy
pressure depends on
Wavelength