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Test your basic knowledge |
Everyday Physics
Start Test
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Subjects
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science
,
literacy
Instructions:
Answer 50 questions in 15 minutes.
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study here
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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
Speed of light
Photon energy
Conservation of energy
Convert Celsius to Kelven
2. The effectiveness of a material in conducting heat
bernoulli's equation
Galileo
atmospheric pressure (atm)
Thermal conductivity
3.
Weight
volume fluid flow rate
Flow through a pipe
Distance traveled
4. P(P2-P1)D^4/128Ln n=fluid's viscosity
density of water
Weight
Voltage
Flow through a pipe
5. 2p x square root L/g
Heat
period of a pendulum T of length L
Momentum
Second law of thermodynamics
6. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Kepler
Time for an object thrown to reach maximum height
Present velocity
amplitude
7. P(P2-P1)D^4/128Ln n=fluid's viscosity
Flow through a pipe
the pressure of liquids _____ when it goes faster
Distance traveled
Newton
8. An object that is thrown or struck or shot and then travels under the influence of gravity
Projectile
The US uses how much of the total world energy consumption?
Internal energy
Photon energy
9. Rod with forces applied at opposite ends in the same direction
Wave speed=
bernoulli's equation
Acceleration due to gravity on the earth
Net force?0 net torque=0
10. Sounds below 30 Hz
when ice in water melts what happens?
Heat
Convert Celsius to Fahrenheit
infrasound
11. The energy that flows from one system to another because of their temperature difference.
Total momentum before collision
Rotational inertia (moment of inertia)
when ice in water melts what happens?
Heat
12. Change in velocity / time
Acceleration
Conservation of energy
First Law of thermodynamics
Newton's Second Law
13. The sum of the energy of all the molecules in the system
Velocity=
Internal energy
Net force?0 net torque=0
Heat
14. 100 -000 n/m^2
Momentum
atmospheric pressure (atm)
Conservation of energy
Convert Celsius to Fahrenheit
15. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
Heat
Frequency
Present velocity
16. Pascal (Pa) or pounds per square inch (psi)
measurement of pressure
definition of Bernoulii's equation
Net force
The US uses how much of the total world energy consumption?
17. Change in velocity / time
Heat capacity equation
Flow through a pipe
pressure depends on
Acceleration
18. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
Convert Celsius to Kelven
continuity
viscosity
19. The force that brings a system back to equilibrium
Torque
restoring force
law of conservation of energy
Net force
20. If the CG is above the edge - the object will not fall
Convert Celsius to Kelven
Condition for stability
entropy
Thermal conductivity
21. Force x lever arm
Torque
definition of Bernoulii's equation
c=3x10^8 m/s
Heat
22. Mass x velocity
Newton
Weight
Momentum
definition of Bernoulii's equation
23. Wavelength x frequency
restoring force
Condition for stability
Wave speed=
Convert Celsius to Fahrenheit
24. A disturbance that moves through something
wave
Newton
Kepler
density of lead
25. 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.
azX
Convert Celsius to Kelven
Emissive
Energy of motion (kinetic energy)
26. Why things move
c=3x10^8 m/s
Mechanics
Change in internal energy
Heat capacity equation
27. Because nothing stops it
density of air
Second law of thermodynamics
Heat
Why does something move?
28. V x A= constant
viscosity
Internal energy
static fluid formula
continuity
29. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Buoyant force
Net force
density of aluminum
the pressure of liquids _____ when it goes faster
30. 2 -700 kg/m^3
density of aluminum
Period
Equilibrium
measure of density
31.
Photon energy
Energy of motion (kinetic energy)
pressure does what when depth is increased
Torque
32. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Brahe
volume fluid flow rate
Engine efficiency
volume fluid flow rate
33. A disturbance that moves through something
Newton's Second Law
Distance traveled
wave
Net force=0 net torque?0
34. 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).
Heat capacity (specific heat)
density of lead
Physics
Fluid force
35. Pascal (Pa) or pounds per square inch (psi)
Convert Celsius to Fahrenheit
measurement of pressure
definition of Bernoulii's equation
period p of a mass m oscillating on a horizontal spring of force constant k
36. Distance traveled / time
Velocity=
Weight
Einstein
density of water
37. Rod with forces applied at opposite ends in opposite directions
Net force=0 net torque?0
Frequency
Energy of motion (kinetic energy)
the pressure of liquids _____ when it goes faster
38. An object that is thrown or struck or shot and then travels under the influence of gravity
Engine efficiency
Projectile
Buoyant force
Wavelength
39. Wavelength x frequency
Heat
pressure does what when depth is increased
incoming and outgoing flow rate formula
Wave speed=
40. A tendency for liquids to resist flowing.
Distance traveled
viscosity
Acceleration
Stable
41. Speed of light / wavelength
wavelength
atmospheric pressure (atm)
frequency of light
static fluid formula
42. Velocity squared / radius
Thermodynamics
Velocity required for an object to reach height h
Centripedal acceleration=
Heat
43. Equals total momentum after collision
Total momentum before collision
Resistance
1 BTU
Weight
44.
Physics
Distance traveled
Heat
Convert Celsius to Fahrenheit
45. Rod with forces applied at opposite ends in opposite directions
volume fluid flow rate formula
Time for an object thrown to reach maximum height
Net force=0 net torque?0
Present velocity
46. 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.
Convert Fahrenheit to Celsius
wave
Galileo
Photon energy
47. 100 -000 n/m^2
when ice in water melts what happens?
atmospheric pressure (atm)
Conduction
Emissive
48. Are wider at the base (which lowers their center of gravity)
Acceleration due to gravity on the earth
pressure depends on
Stable structures
First Law of thermodynamics
49. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
volume fluid flow rate
Frequency
Newton
volume fluid flow rate formula
50. 2 -700 kg/m^3
Wave speed=
density of aluminum
Heat capacity (specific heat)
pressure at depth h
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