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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
Thermal radiation
Velocity=
density of water
Buoyant force
2. Pascal (Pa) or pounds per square inch (psi)
Present velocity
Speed of light
measurement of pressure
Second law of thermodynamics
3. As the speed of a moving fluid increases - the pressure within the fluid decreases
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4. Sounds below 30 Hz
density of aluminum
order of states of matter stronger to lesser forces between atoms
definition of Bernoulii's equation
infrasound
5. 1.25 kg/m^3
Torque
Newton's Second Law
mass flow rate formula
density of air
6. C/n
Fluid force
velocity through a medium
Engine efficiency cannot be 100%
1 BTU
7. Heat is carried from place to place by the bulk movement of either liquids or gasses
static fluid formula
Convection
azX
Heat
8. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
volume fluid flow rate formula
volume fluid flow rate
Net force?0 net torque=0
Newton
9. Decreases
the pressure of liquids _____ when it goes faster
Quantum mechanics
The US uses how much of the total world energy consumption?
Thermodynamics
10. 18600 miles/sec
the pressure of liquids _____ when it goes faster
Speed of light
Kepler
bernoulli's equation
11. Current x voltage energy/time (joules per second)
Power (watts)
viscosity
Net force=0 net torque?0
Resistance
12. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
order of states of matter stronger to lesser forces between atoms
volume fluid flow rate formula
Mechanics
Torque
13. Fbottom=Ftop+mg where mg is the weight of the volume
Conduction
period of a pendulum T of length L
Stable
static fluid formula
14. Velocity squared / radius
Centripedal acceleration=
when ice in water melts what happens?
Wave speed=
Distance traveled
15. 9/5T(C)+32
mechanical wave
Convert Celsius to Fahrenheit
Heat
Net force
16. Initial velocity= the square root of 2gh
1 BTU
mechanical wave
Einstein
Velocity required for an object to reach height h
17. 9/5T(C)+32
variation of pressure with depth
volume fluid flow rate formula
Newton's Second Law
Convert Celsius to Fahrenheit
18. How much torque it takes to get an object rotating
the pressure of liquids _____ when it goes faster
Convert Celsius to Fahrenheit
Wavelength
Rotational inertia (moment of inertia)
19. The energy that flows from one system to another because of their temperature difference.
Heat
static fluid formula
Physics
Distance traveled
20. 25%
The US uses how much of the total world energy consumption?
Time for an object thrown to reach maximum height
Kepler
Torque
21. Time required to complete one cycle
pressure at depth h
Period
Emissive
Rotational inertia (moment of inertia)
22. The effectiveness of a material in conducting heat
Projectile
Thermal conductivity
Total momentum before collision
law of conservation of energy
23. ?
Thermodynamics
c=3x10^8 m/s
1 BTU
Internal energy
24. Maximum displacement from equilibrium
Velocity=
amplitude
Voltage
Flow through a pipe
25. The center of an object
Frequency
law of conservation of energy
Center of gravity (CG)
Resistance
26. The change in internal energy= the heat absorbed- the work done
law of conservation of energy
Convert Celsius to Fahrenheit
Projectile
incoming and outgoing flow rate formula
27. Initial velocity = acceleration x time
Brahe
Present velocity
Why does something move?
Net force
28. The effectiveness of a material in conducting heat
Thermal conductivity
entropy
Thermodynamics
First Law of thermodynamics
29. The total force (positive and negative) acting upon an object
Net force
Change in internal energy
Resistance
Total momentum before collision
30. The total force (positive and negative) acting upon an object
Heat capacity equation
Net force
Second law of thermodynamics
Heat
31. 2 -700 kg/m^3
Centripedal acceleration=
density of aluminum
Engine efficiency cannot be 100%
Photon energy
32. Rod with forces applied at opposite ends in opposite directions
Pressure=
Engine efficiency cannot be 100%
volume fluid flow rate formula
Net force=0 net torque?0
33. A tendency for liquids to resist flowing.
infrasound
viscosity
Heat capacity (specific heat)
Thermodynamics
34. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Time for an object thrown to reach maximum height
Mechanics
1 BTU
mass flow rate formula
35. The center of an object
Frequency
Momentum
Center of gravity (CG)
the pressure of liquids _____ when it goes faster
36. Work done / heat in
Engine efficiency
measure of density
Torque
the pressure of liquids _____ when it goes faster
37. The total disorder of an object
Radiation
entropy
variation of pressure with depth
Distance traveled
38. Sounds above 20 -000 Hz
definition of Bernoulii's equation
ultrasound
Engine efficiency cannot be 100%
Period
39. Initial velocity= the square root of 2gh
restoring force
Velocity required for an object to reach height h
Galileo
law of conservation of energy
40. P x u x A
pressure does what when depth is increased
Period
Mechanics
mass flow rate formula
41. As the speed of a moving fluid increases - the pressure within the fluid decreases
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42. Heat Q= mass of sample x specific heat x temp change
Mechanics
1 BTU
Photon energy
Heat capacity equation
43. An object that is thrown or struck or shot and then travels under the influence of gravity
Change in internal energy
Heat
Rotational inertia (moment of inertia)
Projectile
44. New theory that explained behavior at the atomic level
Stable
Stable
volume fluid flow rate formula
Quantum mechanics
45. Rod with forces applied at opposite ends in the same direction
Net force?0 net torque=0
Convert Fahrenheit to Celsius
Change in internal energy
Total momentum before collision
46. Not easy to knock over
Thermal conductivity
Voltage
Stable
Stable structures
47. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Net force
mechanical wave
Second law of thermodynamics
Aristotle
48. 5/9 [T(F)-32]
Convert Fahrenheit to Celsius
frequency of light
Energy of motion (kinetic energy)
Internal energy
49. Wavelength x frequency
Mechanics
when ice in water melts what happens?
First Law of thermodynamics
Wave speed=
50. A disturbance that propagates through a medium
Stable structures
mechanical wave
Total momentum before collision
Thermal radiation