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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.
atmospheric pressure (atm)
Weight
Acceleration
Distance traveled
2. Fbottom-Ftop=mg=(density x vol) x g
Newton
Kepler
variation of pressure with depth
pressure at depth h
3. 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.
Total momentum before collision
ultrasound
Emissive
Condition for stability
4. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Distance traveled
Photon energy
Heat capacity (specific heat)
density of air
5. T=2p square root m/k frequency= square root k/m;/2p
Equilibrium
Total momentum before collision
period p of a mass m oscillating on a horizontal spring of force constant k
Torque
6. Solids - liquids - gases
atmospheric pressure (atm)
order of states of matter stronger to lesser forces between atoms
Equilibrium
Emissive
7. Mass x gravity
static fluid formula
Weight
Rotational inertia (moment of inertia)
Distance traveled
8. 100 -000 n/m^2
atmospheric pressure (atm)
Second law of thermodynamics
Resistance
velocity through a medium
9. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Kepler
azX
Why does something move?
volume fluid flow rate formula
10. Maximum displacement from equilibrium
Radiation
Speed of light
amplitude
definition of Bernoulii's equation
11. The total disorder of an object
restoring force
entropy
Condition for stability
continuity
12. Wavelength x frequency
Wave speed=
c=3x10^8 m/s
Net force=0 net torque?0
Galileo
13. ?
Heat capacity equation
incoming and outgoing flow rate formula
density of lead
c=3x10^8 m/s
14. Mass x specific heat x temperature change
Fluid force
1 BTU
Net force?0 net torque=0
Heat
15. Are wider at the base (which lowers their center of gravity)
The US uses how much of the total world energy consumption?
Stable structures
Emissive
Convert Celsius to Fahrenheit
16. You cant get as much out as you put in
The US uses how much of the total world energy consumption?
Engine efficiency cannot be 100%
Energy of motion (kinetic energy)
1 BTU
17. A tendency for liquids to resist flowing.
Velocity required for an object to reach height h
viscosity
Wave speed=
1 BTU
18. Speed of light / wavelength
frequency of light
Mechanics
Convert Celsius to Fahrenheit
Acceleration
19. Kg/m^3
Pressure=
pressure depends on
measure of density
Second law of thermodynamics
20. Believed that the natural state of objects was to be at rest
Quantum mechanics
Aristotle
Flow through a pipe
mass flow rate formula
21. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
definition of Bernoulii's equation
volume fluid flow rate
restoring force
Frequency
22. 1 -000 kg/m^3
Second law of thermodynamics
Einstein
Period
density of water
23. Equals total momentum after collision
c=3x10^8 m/s
wavelength
Total momentum before collision
Velocity=
24.
Distance traveled
Brahe
entropy
Acceleration due to gravity on the earth
25. P + density x g h
pressure at depth h
The US uses how much of the total world energy consumption?
Torque
Mechanics
26. Heat is transferred directly through a material with no bulk movement of material
period p of a mass m oscillating on a horizontal spring of force constant k
Conduction
Quantum mechanics
Emissive
27. Sounds above 20 -000 Hz
Total momentum before collision
pressure does what when depth is increased
ultrasound
Resistance
28. A disturbance that moves through something
wavelength
continuity
Present velocity
wave
29. You can't get more work out than the energy you put in
Galileo
Conservation of energy
law of conservation of energy
Newton
30. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Second law of thermodynamics
The US uses how much of the total world energy consumption?
Engine efficiency cannot be 100%
wave
31. Pascal (Pa) or pounds per square inch (psi)
Acceleration
measurement of pressure
Distance traveled
amplitude
32. If the CG is above the edge - the object will not fall
static fluid formula
Conduction
Flow through a pipe
Condition for stability
33. The combination of force and point of application
Torque
Projectile
density of lead
Condition for stability
34. F=mass x acceleration
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35. Because nothing stops it
Stable
law of conservation of energy
Change in internal energy
Why does something move?
36. A tendency for liquids to resist flowing.
Pressure=
Heat
viscosity
Voltage
37. An object that is thrown or struck or shot and then travels under the influence of gravity
c=3x10^8 m/s
period of a pendulum T of length L
Projectile
mechanical wave
38. Pascal (Pa) or pounds per square inch (psi)
Brahe
Convert Fahrenheit to Celsius
mass flow rate formula
measurement of pressure
39. Fbottom-Ftop=mg=(density x vol) x g
Wavelength
Stable structures
variation of pressure with depth
entropy
40. Heat is carried from place to place by the bulk movement of either liquids or gasses
Engine efficiency
Condition for stability
Convection
bernoulli's equation
41. The effectiveness of a material in conducting heat
Thermal conductivity
Rotational inertia (moment of inertia)
Speed of light
Internal energy
42. The level stays the same
First Law of thermodynamics
Equilibrium
Convection
when ice in water melts what happens?
43. Time required to complete one cycle
Speed of light
wave
Period
Energy of motion (kinetic energy)
44. The force that brings a system back to equilibrium
Emissive
restoring force
First Law of thermodynamics
Period
45. F=mass x acceleration
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46. Mass x velocity
amplitude
Momentum
entropy
Newton
47. 2 -700 kg/m^3
density of aluminum
Internal energy
1 BTU
velocity through a medium
48. 25%
Speed of light
The US uses how much of the total world energy consumption?
when ice in water melts what happens?
First Law of thermodynamics
49. Wavelength x frequency
mass flow rate formula
Wave speed=
Convert Fahrenheit to Celsius
restoring force
50. New theory that explained behavior at the atomic level
Quantum mechanics
Net force=0 net torque?0
Heat capacity equation
Convection