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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. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Kepler
Convection
Engine efficiency cannot be 100%
Fluid force
2. Voltage / current
ultrasound
Resistance
Conservation of energy
order of states of matter stronger to lesser forces between atoms
3. 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.
Galileo
Aristotle
Voltage
Present velocity
4. Not easy to knock over
volume fluid flow rate
Stable
Why does something move?
Photon energy
5. Rod with forces applied at opposite ends in opposite directions
First Law of thermodynamics
Galileo
Net force=0 net torque?0
volume fluid flow rate
6. P + density x g h
Acceleration due to gravity on the earth
Projectile
Torque
pressure at depth h
7. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Total momentum before collision
Einstein
measurement of pressure
order of states of matter stronger to lesser forces between atoms
8. Why things move
period p of a mass m oscillating on a horizontal spring of force constant k
1 BTU
Mechanics
Physics
9. Current x resistance
viscosity
azX
Voltage
measure of density
10. It increases
measurement of pressure
Time for an object thrown to reach maximum height
pressure does what when depth is increased
amplitude
11. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
period p of a mass m oscillating on a horizontal spring of force constant k
volume fluid flow rate formula
Physics
Weight
12. Distance traveled / time
Velocity=
Einstein
Condition for stability
Power (watts)
13. P x u x A
Wave speed=
mass flow rate formula
Centripedal acceleration=
Frequency
14. The sum of the energy of all the molecules in the system
Internal energy
Net force
amplitude
measure of density
15. 1 -000 kg/m^3
Distance traveled
density of water
viscosity
Torque
16. If the CG is above the edge - the object will not fall
volume fluid flow rate formula
Galileo
Condition for stability
Time for an object thrown to reach maximum height
17. P x u x A
mass flow rate formula
Weight
mechanical wave
Heat capacity (specific heat)
18. 1 -000 kg/m^3
c=3x10^8 m/s
Acceleration
density of aluminum
density of water
19. Work done / heat in
Engine efficiency
atmospheric pressure (atm)
Photon energy
Brahe
20. It increases
Net force?0 net torque=0
continuity
pressure does what when depth is increased
Net force=0 net torque?0
21. How much torque it takes to get an object rotating
Period
law of conservation of energy
Rotational inertia (moment of inertia)
Convert Celsius to Kelven
22. Time= the square root of 2 x height / acceleration due to gravity
Time for an object thrown to reach maximum height
Heat
Projectile
Present velocity
23. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Buoyant force
1 BTU
Change in internal energy
Distance traveled
24. A disturbance that propagates through a medium
Photon energy
mechanical wave
the pressure of liquids _____ when it goes faster
Change in internal energy
25. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Buoyant force
density of water
Torque
density of lead
26.
azX
Energy of motion (kinetic energy)
viscosity
Resistance
27. Pascal (Pa) or pounds per square inch (psi)
The US uses how much of the total world energy consumption?
measurement of pressure
volume fluid flow rate formula
entropy
28. 1.25 kg/m^3
Present velocity
density of air
measurement of pressure
Aristotle
29. Because nothing stops it
incoming and outgoing flow rate formula
density of air
infrasound
Why does something move?
30. 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.
Energy of motion (kinetic energy)
Velocity required for an object to reach height h
Emissive
Net force=0 net torque?0
31. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Acceleration due to gravity on the earth
Mechanics
Einstein
Net force=0 net torque?0
32. Number density x temperature
wave
wavelength
Period
pressure depends on
33. 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).
period p of a mass m oscillating on a horizontal spring of force constant k
First Law of thermodynamics
Physics
period p of a mass m oscillating on a horizontal spring of force constant k
34. T^4
Thermal radiation
entropy
Torque
Equilibrium
35. You cant get as much out as you put in
The US uses how much of the total world energy consumption?
Speed of light
The US uses how much of the total world energy consumption?
Engine efficiency cannot be 100%
36.
Distance traveled
wave
Convert Fahrenheit to Celsius
law of conservation of energy
37. Heat into system - work done by system
Change in internal energy
Heat capacity (specific heat)
Wave speed=
Momentum
38. 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
when ice in water melts what happens?
Emissive
Engine efficiency cannot be 100%
39. F=mass x acceleration
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40. V1 x A1=v2 x A2
Present velocity
incoming and outgoing flow rate formula
Conservation of energy
Convert Fahrenheit to Celsius
41. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Brahe
the pressure of liquids _____ when it goes faster
Change in internal energy
Torque
42. Length of a wave
Brahe
wavelength
Total momentum before collision
mass flow rate formula
43. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
The US uses how much of the total world energy consumption?
Heat capacity (specific heat)
Convert Fahrenheit to Celsius
Convert Celsius to Fahrenheit
44. 9/5T(C)+32
Power (watts)
Speed of light
Convert Celsius to Fahrenheit
volume fluid flow rate formula
45. A disturbance that moves through something
Newton
wave
Net force
infrasound
46. 25%
Energy of motion (kinetic energy)
The US uses how much of the total world energy consumption?
Speed of light
incoming and outgoing flow rate formula
47. The energy that flows from one system to another because of their temperature difference.
Frequency
Voltage
Distance traveled
Heat
48. Z+n
azX
Radiation
Change in internal energy
infrasound
49. The total disorder of an object
Mechanics
Net force
entropy
1 BTU
50. Kg/m^3
amplitude
measure of density
Net force
Momentum