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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. T^4
Flow through a pipe
density of air
Thermal radiation
restoring force
2. Solids - liquids - gases
order of states of matter stronger to lesser forces between atoms
density of water
Change in internal energy
Projectile
3. V1 x A1=v2 x A2
density of aluminum
incoming and outgoing flow rate formula
order of states of matter stronger to lesser forces between atoms
Fluid force
4. Time= the square root of 2 x height / acceleration due to gravity
Thermal conductivity
Kepler
Quantum mechanics
Time for an object thrown to reach maximum height
5. Wavelength x frequency
Wave speed=
Heat capacity equation
Quantum mechanics
Flow through a pipe
6. 1 / period (time)
Energy of motion (kinetic energy)
Frequency
Projectile
Centripedal acceleration=
7. 9/5T(C)+32
Convert Celsius to Fahrenheit
Energy of motion (kinetic energy)
restoring force
Conduction
8. Force per unit area
Pressure=
Speed of light
definition of Bernoulii's equation
1 BTU
9. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
Physics
volume fluid flow rate
period of a pendulum T of length L
1 BTU
10. T=2p square root m/k frequency= square root k/m;/2p
period p of a mass m oscillating on a horizontal spring of force constant k
Equilibrium
Quantum mechanics
Power (watts)
11. How much torque it takes to get an object rotating
Thermodynamics
Rotational inertia (moment of inertia)
The US uses how much of the total world energy consumption?
measurement of pressure
12. An object that is thrown or struck or shot and then travels under the influence of gravity
amplitude
Projectile
Net force=0 net torque?0
Physics
13. A disturbance that propagates through a medium
Time for an object thrown to reach maximum height
Present velocity
variation of pressure with depth
mechanical wave
14. Work done / heat in
pressure depends on
volume fluid flow rate formula
Engine efficiency
density of aluminum
15. 2p x square root L/g
measurement of pressure
Speed of light
law of conservation of energy
period of a pendulum T of length L
16. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Radiation
Net force=0 net torque?0
Frequency
Heat capacity (specific heat)
17. The total force (positive and negative) acting upon an object
wavelength
Net force=0 net torque?0
Einstein
Net force
18. Length of a wave
Heat
Power (watts)
wavelength
Quantum mechanics
19. 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.
Net force?0 net torque=0
pressure depends on
wavelength
Galileo
20. 25%
Acceleration due to gravity on the earth
The US uses how much of the total world energy consumption?
velocity through a medium
wavelength
21. Speed of light / wavelength
Net force=0 net torque?0
frequency of light
Distance traveled
definition of Bernoulii's equation
22. Heat Q= mass of sample x specific heat x temp change
Heat capacity equation
amplitude
Emissive
velocity through a medium
23. V1 x A1=v2 x A2
Photon energy
Convection
restoring force
incoming and outgoing flow rate formula
24. Mass x velocity
measurement of pressure
Momentum
pressure depends on
Mechanics
25. 10 m/s^2
period of a pendulum T of length L
Equilibrium
velocity through a medium
Acceleration due to gravity on the earth
26. ?
Heat capacity (specific heat)
Stable
c=3x10^8 m/s
Stable structures
27. The heat transfer by electromagnetic waves - thermal light waves
volume fluid flow rate
Galileo
Radiation
Thermal conductivity
28. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
29. You can't get more work out than the energy you put in
Quantum mechanics
Conservation of energy
incoming and outgoing flow rate formula
restoring force
30. Length of a wave
wavelength
density of aluminum
entropy
Flow through a pipe
31. Pascal (Pa) or pounds per square inch (psi)
ultrasound
measurement of pressure
Fluid force
Energy of motion (kinetic energy)
32. Heat into system - work done by system
Change in internal energy
entropy
Newton's Second Law
Convection
33. Voltage / current
Weight
Engine efficiency cannot be 100%
Resistance
measure of density
34. The combination of force and point of application
Heat capacity equation
order of states of matter stronger to lesser forces between atoms
azX
Torque
35. You cant get as much out as you put in
Engine efficiency cannot be 100%
pressure at depth h
Present velocity
Pressure=
36. Change in velocity / time
Stable structures
Acceleration
amplitude
wavelength
37. P x u x A
mass flow rate formula
Acceleration due to gravity on the earth
Net force=0 net torque?0
The US uses how much of the total world energy consumption?
38. 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).
Kepler
Physics
Velocity=
density of lead
39. The total disorder of an object
entropy
Einstein
First Law of thermodynamics
Period
40. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
Speed of light
the pressure of liquids _____ when it goes faster
Equilibrium
41. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Second law of thermodynamics
order of states of matter stronger to lesser forces between atoms
Centripedal acceleration=
Quantum mechanics
42. The force that brings a system back to equilibrium
restoring force
order of states of matter stronger to lesser forces between atoms
Engine efficiency cannot be 100%
Einstein
43. 18600 miles/sec
Speed of light
Thermal conductivity
period p of a mass m oscillating on a horizontal spring of force constant k
density of aluminum
44. Fbottom-Ftop=mg=(density x vol) x g
continuity
variation of pressure with depth
Einstein
pressure at depth h
45. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
46. Pressure x area
Present velocity
Fluid force
Brahe
Period
47. C/n
the pressure of liquids _____ when it goes faster
velocity through a medium
Projectile
density of air
48. Initial velocity = acceleration x time
Energy of motion (kinetic energy)
Second law of thermodynamics
Speed of light
Present velocity
49. Force x lever arm
Equilibrium
Net force=0 net torque?0
Torque
amplitude
50. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Brahe
Fluid force
infrasound
1 BTU