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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. Not easy to knock over
Stable structures
the pressure of liquids _____ when it goes faster
Heat
Stable
2. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
law of conservation of energy
Aristotle
Second law of thermodynamics
c=3x10^8 m/s
3. 100 -000 n/m^2
period of a pendulum T of length L
Physics
Distance traveled
atmospheric pressure (atm)
4. T^4
frequency of light
Thermal radiation
measure of density
variation of pressure with depth
5. Force per unit area
Radiation
wavelength
Net force?0 net torque=0
Pressure=
6. C/n
1 BTU
Thermal radiation
velocity through a medium
Radiation
7. Solids - liquids - gases
Conduction
order of states of matter stronger to lesser forces between atoms
law of conservation of energy
Momentum
8. Believed that the natural state of objects was to be at rest
Aristotle
velocity through a medium
pressure does what when depth is increased
density of water
9. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Velocity required for an object to reach height h
Thermal conductivity
Einstein
Centripedal acceleration=
10. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Engine efficiency
bernoulli's equation
the pressure of liquids _____ when it goes faster
Buoyant force
11. 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.
First Law of thermodynamics
Resistance
measurement of pressure
Momentum
12. 10 m/s^2
Condition for stability
Acceleration due to gravity on the earth
Aristotle
Newton's Second Law
13. Work done / heat in
Conduction
Engine efficiency
Pressure=
Stable structures
14. P + density x g h
pressure at depth h
Weight
Wavelength
Newton's Second Law
15.
Quantum mechanics
Distance traveled
Velocity=
Emissive
16. You cant get as much out as you put in
Engine efficiency cannot be 100%
Pressure=
definition of Bernoulii's equation
Mechanics
17. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
mass flow rate formula
Heat
static fluid formula
volume fluid flow rate formula
18. 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
Heat
variation of pressure with depth
wavelength
19. Initial velocity = acceleration x time
Speed of light
Centripedal acceleration=
Present velocity
Engine efficiency
20. The sum of the energy of all the molecules in the system
Net force=0 net torque?0
Internal energy
Condition for stability
Physics
21. Wavelength x frequency
Why does something move?
viscosity
Wave speed=
azX
22. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Kepler
Physics
Speed of light
Voltage
23. V1 x A1=v2 x A2
Net force
mass flow rate formula
Why does something move?
incoming and outgoing flow rate formula
24. The force that brings a system back to equilibrium
variation of pressure with depth
restoring force
Physics
Pressure=
25. Speed of light / wavelength
Pressure=
mechanical wave
Frequency
frequency of light
26. Hf
Condition for stability
velocity through a medium
Pressure=
Photon energy
27. ?
c=3x10^8 m/s
Thermal conductivity
Physics
wave
28. ?
Distance traveled
c=3x10^8 m/s
infrasound
Acceleration due to gravity on the earth
29. A disturbance that propagates through a medium
Frequency
wave
variation of pressure with depth
mechanical wave
30. F=mass x acceleration
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31. The study of heat and its transformation into mechanical energy
Heat capacity (specific heat)
Speed of light
Thermodynamics
Net force
32. Heat Q= mass of sample x specific heat x temp change
volume fluid flow rate formula
Heat capacity equation
Frequency
continuity
33. How much torque it takes to get an object rotating
Heat
Internal energy
frequency of light
Rotational inertia (moment of inertia)
34. You can't get more work out than the energy you put in
Conservation of energy
Heat capacity equation
order of states of matter stronger to lesser forces between atoms
Buoyant force
35. Believed that the natural state of objects was to be at rest
pressure at depth h
law of conservation of energy
Aristotle
Net force?0 net torque=0
36. 10 m/s^2
when ice in water melts what happens?
Acceleration due to gravity on the earth
Heat capacity (specific heat)
volume fluid flow rate formula
37. Rod with forces applied at opposite ends in the same direction
Net force?0 net torque=0
Thermal radiation
Rotational inertia (moment of inertia)
Radiation
38. Net force=0 net torque=0
Galileo
Pressure=
Equilibrium
Convert Celsius to Fahrenheit
39. As the speed of a moving fluid increases - the pressure within the fluid decreases
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40. Rod with forces applied at opposite ends in opposite directions
Net force=0 net torque?0
Centripedal acceleration=
Stable structures
incoming and outgoing flow rate formula
41. Distance traveled / time
viscosity
Velocity=
volume fluid flow rate formula
Heat
42. Decreases
the pressure of liquids _____ when it goes faster
Second law of thermodynamics
Thermodynamics
definition of Bernoulii's equation
43. Initial velocity = acceleration x time
Convert Celsius to Fahrenheit
Buoyant force
Velocity required for an object to reach height h
Present velocity
44. A tendency for liquids to resist flowing.
Centripedal acceleration=
measurement of pressure
viscosity
Change in internal energy
45. Are wider at the base (which lowers their center of gravity)
density of aluminum
Net force=0 net torque?0
Rotational inertia (moment of inertia)
Stable structures
46. The center of an object
Convert Celsius to Fahrenheit
Center of gravity (CG)
Engine efficiency
Flow through a pipe
47. The heat transfer by electromagnetic waves - thermal light waves
pressure at depth h
Radiation
Wavelength
order of states of matter stronger to lesser forces between atoms
48. 9/5T(C)+32
Convert Celsius to Fahrenheit
Condition for stability
Present velocity
density of aluminum
49. It increases
Newton
pressure does what when depth is increased
Power (watts)
wave
50. Speed of light / wavelength
pressure does what when depth is increased
frequency of light
Present velocity
Quantum mechanics