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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. Decreases
Convection
velocity through a medium
the pressure of liquids _____ when it goes faster
Thermal conductivity
2. A tendency for liquids to resist flowing.
ultrasound
viscosity
Resistance
Galileo
3. Velocity squared / radius
Torque
Centripedal acceleration=
Period
static fluid formula
4. Because nothing stops it
Galileo
Rotational inertia (moment of inertia)
Aristotle
Why does something move?
5. P(P2-P1)D^4/128Ln n=fluid's viscosity
Flow through a pipe
Convert Fahrenheit to Celsius
velocity through a medium
amplitude
6. 1 / period (time)
Frequency
atmospheric pressure (atm)
Conduction
Flow through a pipe
7. F=mass x acceleration
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8. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Total momentum before collision
Buoyant force
measurement of pressure
static fluid formula
9. 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.
Flow through a pipe
Galileo
Convert Celsius to Fahrenheit
measurement of pressure
10. 25%
when ice in water melts what happens?
The US uses how much of the total world energy consumption?
Thermal radiation
Why does something move?
11. Maximum displacement from equilibrium
Rotational inertia (moment of inertia)
Velocity=
amplitude
Why does something move?
12. Initial velocity = acceleration x time
Present velocity
Convert Celsius to Fahrenheit
amplitude
Convert Celsius to Kelven
13. Hf
Photon energy
period of a pendulum T of length L
Net force=0 net torque?0
Mechanics
14. Kg/m^3
measure of density
Emissive
pressure does what when depth is increased
Stable structures
15. V x A= constant
continuity
Centripedal acceleration=
volume fluid flow rate formula
Stable
16. Heat Q= mass of sample x specific heat x temp change
Heat capacity equation
Conduction
Buoyant force
density of lead
17. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Heat capacity (specific heat)
Stable
Heat
Total momentum before collision
18. 1 -000 kg/m^3
c=3x10^8 m/s
density of lead
Physics
density of water
19. P x u x A
mechanical wave
mass flow rate formula
Convert Fahrenheit to Celsius
Voltage
20. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Time for an object thrown to reach maximum height
Equilibrium
volume fluid flow rate formula
Physics
21. 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).
Physics
Condition for stability
Convert Fahrenheit to Celsius
Net force?0 net torque=0
22. Maximum displacement from equilibrium
Acceleration
amplitude
Heat capacity (specific heat)
Conduction
23. 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.
period of a pendulum T of length L
Emissive
pressure does what when depth is increased
density of air
24. Mass x specific heat x temperature change
Heat
Condition for stability
entropy
Total momentum before collision
25. A disturbance that moves through something
wave
density of air
Quantum mechanics
Change in internal energy
26. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Einstein
Fluid force
Brahe
Centripedal acceleration=
27. 5/9 [T(F)-32]
Convert Fahrenheit to Celsius
pressure does what when depth is increased
Wavelength
Convection
28. 11 -000 kg/m^3
Equilibrium
Change in internal energy
density of lead
Torque
29. New theory that explained behavior at the atomic level
Heat capacity equation
Quantum mechanics
Present velocity
mass flow rate formula
30. ?
c=3x10^8 m/s
Second law of thermodynamics
wavelength
density of lead
31. Equals total momentum after collision
Total momentum before collision
Present velocity
restoring force
1 BTU
32. The force that brings a system back to equilibrium
restoring force
Equilibrium
Acceleration due to gravity on the earth
Heat capacity (specific heat)
33. The study of heat and its transformation into mechanical energy
mass flow rate formula
restoring force
Thermodynamics
Pressure=
34. A disturbance that propagates through a medium
mechanical wave
Thermal conductivity
continuity
bernoulli's equation
35. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
bernoulli's equation
atmospheric pressure (atm)
law of conservation of energy
36. 2p x square root L/g
Quantum mechanics
Heat capacity equation
period of a pendulum T of length L
pressure depends on
37. An object that is thrown or struck or shot and then travels under the influence of gravity
Resistance
Projectile
Thermal radiation
Heat
38. If the CG is above the edge - the object will not fall
Period
Condition for stability
Brahe
Fluid force
39. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Newton
Engine efficiency cannot be 100%
Convection
1 BTU
40. Mass x gravity
definition of Bernoulii's equation
Torque
Weight
amplitude
41. Number density x temperature
Velocity=
measure of density
Heat
pressure depends on
42. The study of heat and its transformation into mechanical energy
Second law of thermodynamics
Momentum
Thermodynamics
Quantum mechanics
43. Sounds below 30 Hz
Wavelength
Resistance
infrasound
Newton
44. A tendency for liquids to resist flowing.
pressure at depth h
law of conservation of energy
Wave speed=
viscosity
45. The total disorder of an object
mechanical wave
Centripedal acceleration=
entropy
mass flow rate formula
46. Decreases
Velocity=
the pressure of liquids _____ when it goes faster
Convert Fahrenheit to Celsius
Fluid force
47. The sum of the energy of all the molecules in the system
Internal energy
bernoulli's equation
entropy
bernoulli's equation
48. F=mass x acceleration
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49. The heat transfer by electromagnetic waves - thermal light waves
Quantum mechanics
Radiation
bernoulli's equation
Kepler
50. Mass x specific heat x temperature change
order of states of matter stronger to lesser forces between atoms
Wavelength
Weight
Heat
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