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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. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
Torque
Torque
density of air
2. C / f
Physics
Second law of thermodynamics
frequency of light
Wavelength
3. Heat into system - work done by system
Resistance
Thermal conductivity
Change in internal energy
Photon energy
4. The change in internal energy= the heat absorbed- the work done
volume fluid flow rate
measure of density
law of conservation of energy
Acceleration due to gravity on the earth
5. 5/9 [T(F)-32]
Velocity required for an object to reach height h
Velocity=
wave
Convert Fahrenheit to Celsius
6. Sounds below 30 Hz
period of a pendulum T of length L
frequency of light
infrasound
measurement of pressure
7. The change in internal energy= the heat absorbed- the work done
wavelength
law of conservation of energy
Convection
Emissive
8. Wavelength x frequency
measurement of pressure
pressure at depth h
Condition for stability
Wave speed=
9. The energy that flows from one system to another because of their temperature difference.
Einstein
Heat
Torque
Second law of thermodynamics
10. C / f
Wavelength
Distance traveled
Center of gravity (CG)
amplitude
11. Sounds below 30 Hz
infrasound
Quantum mechanics
Quantum mechanics
Convert Fahrenheit to Celsius
12. Time= the square root of 2 x height / acceleration due to gravity
Time for an object thrown to reach maximum height
measure of density
Kepler
Distance traveled
13. The center of an object
period of a pendulum T of length L
Center of gravity (CG)
amplitude
Convert Celsius to Fahrenheit
14. Fbottom-Ftop=mg=(density x vol) x g
Radiation
variation of pressure with depth
ultrasound
volume fluid flow rate
15. Are wider at the base (which lowers their center of gravity)
Engine efficiency
atmospheric pressure (atm)
Stable structures
Kepler
16. The combination of force and point of application
Stable structures
Buoyant force
1 BTU
Torque
17. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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18. It increases
pressure does what when depth is increased
Conduction
order of states of matter stronger to lesser forces between atoms
Momentum
19. The total force (positive and negative) acting upon an object
Net force
Kepler
Velocity required for an object to reach height h
measurement of pressure
20. If the CG is above the edge - the object will not fall
Condition for stability
Momentum
Power (watts)
bernoulli's equation
21. Why things move
Mechanics
Galileo
mechanical wave
Time for an object thrown to reach maximum height
22. Work done / heat in
Power (watts)
amplitude
Aristotle
Engine efficiency
23. Mass x velocity
wave
period of a pendulum T of length L
Momentum
Thermal radiation
24. The heat needed to raise the temperature of 1 pound of water by 1 degree F
1 BTU
Thermodynamics
The US uses how much of the total world energy consumption?
Newton
25. How much torque it takes to get an object rotating
Heat capacity (specific heat)
Thermodynamics
Mechanics
Rotational inertia (moment of inertia)
26. The center of an object
Frequency
Net force=0 net torque?0
Center of gravity (CG)
Rotational inertia (moment of inertia)
27. As the speed of a moving fluid increases - the pressure within the fluid decreases
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28. 1 / period (time)
Photon energy
volume fluid flow rate formula
ultrasound
Frequency
29. A disturbance that propagates through a medium
1 BTU
pressure does what when depth is increased
Buoyant force
mechanical wave
30. 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)
measure of density
Center of gravity (CG)
definition of Bernoulii's equation
31.
Resistance
Distance traveled
Frequency
measure of density
32. Force x lever arm
Brahe
Torque
Newton's Second Law
Convection
33. New theory that explained behavior at the atomic level
volume fluid flow rate
Convert Fahrenheit to Celsius
Heat
Quantum mechanics
34. Net force=0 net torque=0
Equilibrium
Mechanics
Projectile
Newton's Second Law
35. The heat needed to raise the temperature of 1 pound of water by 1 degree F
1 BTU
atmospheric pressure (atm)
Thermodynamics
Centripedal acceleration=
36. 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
Internal energy
Velocity required for an object to reach height h
Thermal radiation
37. Fbottom-Ftop=mg=(density x vol) x g
the pressure of liquids _____ when it goes faster
Kepler
variation of pressure with depth
Net force?0 net torque=0
38. Equals total momentum after collision
Emissive
Distance traveled
Velocity=
Total momentum before collision
39. The energy that flows from one system to another because of their temperature difference.
Convert Fahrenheit to Celsius
Heat
Flow through a pipe
Period
40. 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).
volume fluid flow rate formula
incoming and outgoing flow rate formula
Physics
entropy
41. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
volume fluid flow rate formula
Brahe
Total momentum before collision
Convert Fahrenheit to Celsius
42. Not easy to knock over
Stable
Heat
Convert Celsius to Kelven
Resistance
43. 1 / period (time)
atmospheric pressure (atm)
Torque
Frequency
Why does something move?
44. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Power (watts)
mechanical wave
density of air
Brahe
45. You cant get as much out as you put in
Momentum
Velocity=
Velocity=
Engine efficiency cannot be 100%
46. 11 -000 kg/m^3
Net force?0 net torque=0
Emissive
Acceleration due to gravity on the earth
density of lead
47. Velocity squared / radius
Conservation of energy
Newton's Second Law
Heat capacity (specific heat)
Centripedal acceleration=
48. P(P2-P1)D^4/128Ln n=fluid's viscosity
Fluid force
Flow through a pipe
Einstein
Period
49. Heat Q= mass of sample x specific heat x temp change
Heat capacity equation
density of water
Why does something move?
Torque
50. Rod with forces applied at opposite ends in the same direction
Present velocity
pressure at depth h
Net force?0 net torque=0
Emissive