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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. Wavelength x frequency
Heat capacity (specific heat)
Wave speed=
variation of pressure with depth
Torque
2. 25%
Heat
pressure at depth h
amplitude
The US uses how much of the total world energy consumption?
3. Time= the square root of 2 x height / acceleration due to gravity
Frequency
Time for an object thrown to reach maximum height
First Law of thermodynamics
Newton
4. 1 -000 kg/m^3
density of water
Speed of light
Wave speed=
Center of gravity (CG)
5. Mass x velocity
continuity
Projectile
Momentum
volume fluid flow rate formula
6. Are wider at the base (which lowers their center of gravity)
wavelength
bernoulli's equation
Stable structures
Time for an object thrown to reach maximum height
7. C/n
velocity through a medium
Energy of motion (kinetic energy)
Voltage
static fluid formula
8. Kg/m^3
Engine efficiency cannot be 100%
measure of density
Fluid force
Acceleration
9. Sounds below 30 Hz
mechanical wave
infrasound
Aristotle
Buoyant force
10. Change in velocity / time
Acceleration due to gravity on the earth
Acceleration
period p of a mass m oscillating on a horizontal spring of force constant k
Thermal radiation
11. 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.
Conservation of energy
Pressure=
Velocity=
Galileo
12. Distance traveled / time
c=3x10^8 m/s
Velocity=
variation of pressure with depth
Aristotle
13. A tendency for liquids to resist flowing.
Galileo
First Law of thermodynamics
Einstein
viscosity
14. 2p x square root L/g
Emissive
Present velocity
period of a pendulum T of length L
Radiation
15. The total force (positive and negative) acting upon an object
Net force
Quantum mechanics
pressure at depth h
bernoulli's equation
16. The change in internal energy= the heat absorbed- the work done
bernoulli's equation
velocity through a medium
Galileo
law of conservation of energy
17. The heat transfer by electromagnetic waves - thermal light waves
Radiation
Wave speed=
volume fluid flow rate
Second law of thermodynamics
18. If the CG is above the edge - the object will not fall
Mechanics
mass flow rate formula
Condition for stability
Thermodynamics
19. The energy that flows from one system to another because of their temperature difference.
wavelength
Conduction
Newton's Second Law
Heat
20. You can't get more work out than the energy you put in
Fluid force
Acceleration due to gravity on the earth
velocity through a medium
Conservation of energy
21. If the CG is above the edge - the object will not fall
Net force=0 net torque?0
Condition for stability
bernoulli's equation
Quantum mechanics
22. 100 -000 n/m^2
atmospheric pressure (atm)
Velocity=
Mechanics
pressure depends on
23. Sounds above 20 -000 Hz
Radiation
ultrasound
the pressure of liquids _____ when it goes faster
Wave speed=
24. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Period
1 BTU
c=3x10^8 m/s
static fluid formula
25. P x u x A
atmospheric pressure (atm)
Mechanics
mass flow rate formula
Internal energy
26. Rod with forces applied at opposite ends in the same direction
Heat capacity equation
Wavelength
Net force?0 net torque=0
Convection
27. Velocity squared / radius
Conduction
Engine efficiency
Kepler
Centripedal acceleration=
28. An object that is thrown or struck or shot and then travels under the influence of gravity
Projectile
Condition for stability
1 BTU
Conduction
29. Decreases
the pressure of liquids _____ when it goes faster
Stable
wavelength
Quantum mechanics
30. Heat is carried from place to place by the bulk movement of either liquids or gasses
Stable structures
Frequency
Convection
Resistance
31. The force that brings a system back to equilibrium
when ice in water melts what happens?
1 BTU
restoring force
frequency of light
32. You can't get more work out than the energy you put in
Engine efficiency cannot be 100%
1 BTU
Conservation of energy
Heat capacity equation
33. Fbottom-Ftop=mg=(density x vol) x g
Net force
variation of pressure with depth
the pressure of liquids _____ when it goes faster
First Law of thermodynamics
34. F=mass x acceleration
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35. Force x lever arm
Projectile
Torque
Photon energy
wavelength
36. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Distance traveled
Buoyant force
Einstein
density of water
37. C / f
Wavelength
Kepler
Condition for stability
Present velocity
38. 2 -700 kg/m^3
1 BTU
Newton
Aristotle
density of aluminum
39. The study of heat and its transformation into mechanical energy
restoring force
measurement of pressure
First Law of thermodynamics
Thermodynamics
40. 11 -000 kg/m^3
mechanical wave
density of lead
static fluid formula
Second law of thermodynamics
41. It increases
Galileo
Newton's Second Law
Net force=0 net torque?0
pressure does what when depth is increased
42. 2 -700 kg/m^3
Frequency
mechanical wave
density of aluminum
Net force
43. The heat needed to raise the temperature of 1 pound of water by 1 degree F
1 BTU
Distance traveled
Heat
definition of Bernoulii's equation
44. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Brahe
density of air
Emissive
mass flow rate formula
45. You cant get as much out as you put in
Engine efficiency cannot be 100%
Photon energy
Second law of thermodynamics
Net force=0 net torque?0
46. 5/9 [T(F)-32]
Photon energy
Velocity required for an object to reach height h
Convert Fahrenheit to Celsius
Kepler
47. As the speed of a moving fluid increases - the pressure within the fluid decreases
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48.
Acceleration due to gravity on the earth
Heat capacity (specific heat)
Center of gravity (CG)
Energy of motion (kinetic energy)
49. Z+n
Acceleration due to gravity on the earth
Change in internal energy
Buoyant force
azX
50. Current x resistance
wave
order of states of matter stronger to lesser forces between atoms
Centripedal acceleration=
Voltage
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