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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. V1 x A1=v2 x A2
Thermodynamics
bernoulli's equation
measure of density
incoming and outgoing flow rate formula
2. Voltage / current
mass flow rate formula
Wavelength
Resistance
Present velocity
3. Number density x temperature
measure of density
pressure depends on
Center of gravity (CG)
wave
4. A disturbance that propagates through a medium
Momentum
Newton's Second Law
density of aluminum
mechanical wave
5. 100 -000 n/m^2
the pressure of liquids _____ when it goes faster
measurement of pressure
atmospheric pressure (atm)
Torque
6. Decreases
Stable structures
Einstein
Distance traveled
the pressure of liquids _____ when it goes faster
7. The change in internal energy= the heat absorbed- the work done
Convert Celsius to Kelven
law of conservation of energy
The US uses how much of the total world energy consumption?
Heat
8. Heat Q= mass of sample x specific heat x temp change
order of states of matter stronger to lesser forces between atoms
Heat capacity equation
period p of a mass m oscillating on a horizontal spring of force constant k
measure of density
9. Decreases
pressure at depth h
continuity
the pressure of liquids _____ when it goes faster
Stable
10. The study of heat and its transformation into mechanical energy
pressure does what when depth is increased
period of a pendulum T of length L
Period
Thermodynamics
11. V x A= constant
Energy of motion (kinetic energy)
continuity
entropy
Convert Fahrenheit to Celsius
12. You cant get as much out as you put in
1 BTU
density of water
Kepler
Engine efficiency cannot be 100%
13. Current x voltage energy/time (joules per second)
Power (watts)
Total momentum before collision
restoring force
Why does something move?
14. 1 -000 kg/m^3
frequency of light
incoming and outgoing flow rate formula
density of water
Stable
15. Fbottom=Ftop+mg where mg is the weight of the volume
Wave speed=
the pressure of liquids _____ when it goes faster
static fluid formula
density of air
16. Heat is carried from place to place by the bulk movement of either liquids or gasses
pressure at depth h
Aristotle
Energy of motion (kinetic energy)
Convection
17. Sounds above 20 -000 Hz
Frequency
Heat capacity equation
Time for an object thrown to reach maximum height
ultrasound
18. 100 -000 n/m^2
Aristotle
volume fluid flow rate formula
Physics
atmospheric pressure (atm)
19. 1.25 kg/m^3
density of air
the pressure of liquids _____ when it goes faster
measurement of pressure
Fluid force
20. 18600 miles/sec
Total momentum before collision
Speed of light
1 BTU
Convert Fahrenheit to Celsius
21. 1 / period (time)
Heat capacity (specific heat)
Frequency
Engine efficiency
pressure depends on
22.
Radiation
atmospheric pressure (atm)
First Law of thermodynamics
Energy of motion (kinetic energy)
23. T^4
Velocity=
Wave speed=
Physics
Thermal radiation
24. Because nothing stops it
Radiation
Conduction
Why does something move?
Change in internal energy
25. V x A= constant
Mechanics
continuity
Heat
Einstein
26. Fbottom-Ftop=mg=(density x vol) x g
Period
variation of pressure with depth
Quantum mechanics
Galileo
27. As the speed of a moving fluid increases - the pressure within the fluid decreases
28. Force per unit area
law of conservation of energy
viscosity
Centripedal acceleration=
Pressure=
29. A tendency for liquids to resist flowing.
Heat capacity (specific heat)
density of lead
viscosity
Engine efficiency cannot be 100%
30. 18600 miles/sec
Speed of light
Convection
wavelength
Heat capacity equation
31. Initial velocity= the square root of 2gh
First Law of thermodynamics
Velocity required for an object to reach height h
Wave speed=
period p of a mass m oscillating on a horizontal spring of force constant k
32. Work done / heat in
First Law of thermodynamics
Engine efficiency
Present velocity
Stable structures
33. 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.
Torque
Galileo
Equilibrium
Quantum mechanics
34. Net force=0 net torque=0
Change in internal energy
Stable structures
Equilibrium
continuity
35. Sounds below 30 Hz
infrasound
Rotational inertia (moment of inertia)
Period
Engine efficiency cannot be 100%
36. P x u x A
Brahe
Change in internal energy
infrasound
mass flow rate formula
37. Wavelength x frequency
Wave speed=
Flow through a pipe
Mechanics
Convert Fahrenheit to Celsius
38. Heat Q= mass of sample x specific heat x temp change
Acceleration
Momentum
Newton's Second Law
Heat capacity equation
39. Force x lever arm
Energy of motion (kinetic energy)
Torque
Convert Celsius to Kelven
Heat
40. Fbottom-Ftop=mg=(density x vol) x g
incoming and outgoing flow rate formula
variation of pressure with depth
Physics
Brahe
41. Pressure x area
wave
Fluid force
density of aluminum
Newton's Second Law
42. 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).
Thermal radiation
Frequency
static fluid formula
Physics
43. 2 -700 kg/m^3
density of aluminum
continuity
Projectile
Velocity required for an object to reach height h
44. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
period of a pendulum T of length L
Flow through a pipe
volume fluid flow rate formula
45. Force x lever arm
Heat capacity equation
Torque
static fluid formula
entropy
46. C/n
when ice in water melts what happens?
The US uses how much of the total world energy consumption?
volume fluid flow rate
velocity through a medium
47. Velocity squared / radius
Condition for stability
Centripedal acceleration=
Time for an object thrown to reach maximum height
Quantum mechanics
48. Mass x velocity
incoming and outgoing flow rate formula
Frequency
Torque
Momentum
49. ?
Radiation
wave
Speed of light
c=3x10^8 m/s
50. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Mechanics
Center of gravity (CG)
density of lead
1 BTU