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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. T(C) +273
Convert Celsius to Kelven
measurement of pressure
1 BTU
Heat
2. F=mass x acceleration
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3. 1 / period (time)
infrasound
Frequency
Internal energy
Flow through a pipe
4.
Newton
density of water
Distance traveled
Heat
5. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Kepler
Centripedal acceleration=
Equilibrium
Stable
6. Fbottom=Ftop+mg where mg is the weight of the volume
Conduction
1 BTU
static fluid formula
Fluid force
7. Because nothing stops it
Internal energy
Why does something move?
Radiation
Heat
8. The total force (positive and negative) acting upon an object
Einstein
Net force
pressure at depth h
Rotational inertia (moment of inertia)
9. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Buoyant force
Convection
volume fluid flow rate formula
Resistance
10. A disturbance that propagates through a medium
restoring force
mechanical wave
Voltage
Stable structures
11. P + density x g h
pressure does what when depth is increased
pressure at depth h
Equilibrium
definition of Bernoulii's equation
12. Heat Q= mass of sample x specific heat x temp change
azX
Quantum mechanics
Heat capacity equation
Thermodynamics
13. A disturbance that moves through something
static fluid formula
wave
Second law of thermodynamics
order of states of matter stronger to lesser forces between atoms
14. Believed that the natural state of objects was to be at rest
Aristotle
volume fluid flow rate formula
Heat
Convert Celsius to Fahrenheit
15. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
restoring force
wavelength
Center of gravity (CG)
16. 10 m/s^2
wave
Emissive
Acceleration due to gravity on the earth
Heat
17. Heat is transferred directly through a material with no bulk movement of material
Thermal conductivity
bernoulli's equation
Conduction
wavelength
18. 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.
Internal energy
First Law of thermodynamics
azX
when ice in water melts what happens?
19. Rod with forces applied at opposite ends in opposite directions
Photon energy
Net force=0 net torque?0
Center of gravity (CG)
Second law of thermodynamics
20. C/n
velocity through a medium
pressure at depth h
Engine efficiency
Engine efficiency cannot be 100%
21. 2 -700 kg/m^3
density of aluminum
Second law of thermodynamics
ultrasound
wavelength
22. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Thermal radiation
1 BTU
Wavelength
variation of pressure with depth
23. The sum of the energy of all the molecules in the system
Internal energy
Brahe
Torque
Stable structures
24. Hf
Heat
Photon energy
Power (watts)
Time for an object thrown to reach maximum height
25. Heat Q= mass of sample x specific heat x temp change
Convert Fahrenheit to Celsius
Heat capacity equation
when ice in water melts what happens?
Conservation of energy
26. Time required to complete one cycle
Period
Resistance
entropy
Velocity=
27. 25%
The US uses how much of the total world energy consumption?
Velocity=
density of lead
Thermal conductivity
28. You cant get as much out as you put in
restoring force
density of aluminum
Flow through a pipe
Engine efficiency cannot be 100%
29. Mass x specific heat x temperature change
Heat
Projectile
the pressure of liquids _____ when it goes faster
Frequency
30. The total disorder of an object
Center of gravity (CG)
entropy
Equilibrium
bernoulli's equation
31. If the CG is above the edge - the object will not fall
mass flow rate formula
Second law of thermodynamics
Condition for stability
Resistance
32. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Center of gravity (CG)
bernoulli's equation
Buoyant force
Convert Celsius to Fahrenheit
33. Because nothing stops it
Momentum
Why does something move?
Galileo
Present velocity
34. T=2p square root m/k frequency= square root k/m;/2p
Why does something move?
period p of a mass m oscillating on a horizontal spring of force constant k
Einstein
restoring force
35. 10 m/s^2
Newton
Weight
Acceleration due to gravity on the earth
Thermal conductivity
36. Sounds below 30 Hz
Heat capacity (specific heat)
Resistance
infrasound
Net force?0 net torque=0
37. As the speed of a moving fluid increases - the pressure within the fluid decreases
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38. Mass x gravity
density of air
atmospheric pressure (atm)
Weight
law of conservation of energy
39. Z+n
azX
wavelength
Frequency
definition of Bernoulii's equation
40. 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.
Emissive
velocity through a medium
mechanical wave
Wave speed=
41. T^4
mass flow rate formula
wavelength
Thermal radiation
Fluid force
42. 5/9 [T(F)-32]
mechanical wave
Convert Fahrenheit to Celsius
density of aluminum
Period
43. 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.
Emissive
density of lead
Period
Brahe
44. Heat is carried from place to place by the bulk movement of either liquids or gasses
frequency of light
Radiation
Power (watts)
Convection
45. C / f
definition of Bernoulii's equation
mass flow rate formula
pressure does what when depth is increased
Wavelength
46. You can't get more work out than the energy you put in
Voltage
Stable
Conservation of energy
Internal energy
47. 1.25 kg/m^3
density of air
Quantum mechanics
measurement of pressure
Energy of motion (kinetic energy)
48. A tendency for liquids to resist flowing.
Radiation
viscosity
Conduction
Stable structures
49. 1 -000 kg/m^3
Torque
Rotational inertia (moment of inertia)
density of water
Acceleration due to gravity on the earth
50. Solids - liquids - gases
pressure does what when depth is increased
Physics
the pressure of liquids _____ when it goes faster
order of states of matter stronger to lesser forces between atoms