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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. 5/9 [T(F)-32]
measure of density
Buoyant force
Convert Fahrenheit to Celsius
continuity
2. Length of a wave
Second law of thermodynamics
wavelength
Convert Celsius to Fahrenheit
Convert Fahrenheit to Celsius
3. Current x resistance
Thermal conductivity
density of aluminum
First Law of thermodynamics
Voltage
4. Sounds above 20 -000 Hz
Center of gravity (CG)
ultrasound
period p of a mass m oscillating on a horizontal spring of force constant k
Why does something move?
5. Heat Q= mass of sample x specific heat x temp change
Condition for stability
Conduction
Buoyant force
Heat capacity equation
6. Heat is carried from place to place by the bulk movement of either liquids or gasses
Convection
Heat
Quantum mechanics
Projectile
7. 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
density of water
1 BTU
Frequency
8. Force x lever arm
Emissive
pressure does what when depth is increased
period of a pendulum T of length L
Torque
9. P x u x A
Emissive
mass flow rate formula
wavelength
Engine efficiency cannot be 100%
10. Fbottom-Ftop=mg=(density x vol) x g
Net force
period p of a mass m oscillating on a horizontal spring of force constant k
variation of pressure with depth
Torque
11. Number density x temperature
entropy
pressure does what when depth is increased
pressure depends on
pressure at depth h
12. 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
ultrasound
static fluid formula
Kepler
13. Pascal (Pa) or pounds per square inch (psi)
Center of gravity (CG)
measurement of pressure
Why does something move?
restoring force
14. Z+n
Buoyant force
Center of gravity (CG)
Conduction
azX
15. You can't get more work out than the energy you put in
Newton's Second Law
Why does something move?
Present velocity
Conservation of energy
16. The sum of the energy of all the molecules in the system
Stable structures
Internal energy
Resistance
Wave speed=
17. Voltage / current
Net force
Convection
static fluid formula
Resistance
18. V1 x A1=v2 x A2
Torque
Thermal radiation
Net force?0 net torque=0
incoming and outgoing flow rate formula
19. 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.
measure of density
azX
Convert Celsius to Kelven
Emissive
20. Distance traveled / time
Velocity=
Change in internal energy
Equilibrium
wave
21. Are wider at the base (which lowers their center of gravity)
density of water
Momentum
Stable structures
density of air
22. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Kepler
Stable structures
atmospheric pressure (atm)
Heat
23. 1 -000 kg/m^3
Convert Fahrenheit to Celsius
density of water
Frequency
First Law of thermodynamics
24. 100 -000 n/m^2
Torque
atmospheric pressure (atm)
Power (watts)
Fluid force
25. The change in internal energy= the heat absorbed- the work done
azX
Convection
Change in internal energy
law of conservation of energy
26. 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).
static fluid formula
Period
Physics
mechanical wave
27. 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
continuity
Internal energy
Centripedal acceleration=
28. Maximum displacement from equilibrium
entropy
amplitude
Thermodynamics
wave
29. Initial velocity= the square root of 2gh
Time for an object thrown to reach maximum height
Change in internal energy
Equilibrium
Velocity required for an object to reach height h
30. Net force=0 net torque=0
Equilibrium
Condition for stability
measure of density
measure of density
31. Mass x velocity
frequency of light
ultrasound
Momentum
incoming and outgoing flow rate formula
32. 2p x square root L/g
period of a pendulum T of length L
Why does something move?
Change in internal energy
Period
33. Mass x velocity
Centripedal acceleration=
Momentum
Condition for stability
pressure depends on
34. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
atmospheric pressure (atm)
wavelength
Convert Celsius to Kelven
Newton
35. You cant get as much out as you put in
Weight
Weight
Engine efficiency cannot be 100%
c=3x10^8 m/s
36. V x A= constant
definition of Bernoulii's equation
Wavelength
Conduction
continuity
37. Velocity squared / radius
the pressure of liquids _____ when it goes faster
Centripedal acceleration=
when ice in water melts what happens?
Resistance
38. How much torque it takes to get an object rotating
period of a pendulum T of length L
Rotational inertia (moment of inertia)
Newton's Second Law
Energy of motion (kinetic energy)
39. 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.
Why does something move?
atmospheric pressure (atm)
Convert Celsius to Kelven
Emissive
40. Initial velocity = acceleration x time
Present velocity
1 BTU
Radiation
Physics
41. 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).
Einstein
Physics
Net force?0 net torque=0
Photon energy
42. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Heat capacity equation
Kepler
Net force
Newton
43. Decreases
Time for an object thrown to reach maximum height
the pressure of liquids _____ when it goes faster
Convert Celsius to Fahrenheit
Pressure=
44. Work done / heat in
density of water
amplitude
Engine efficiency
Stable
45. P + density x g h
Period
pressure at depth h
Net force?0 net torque=0
wave
46. 9/5T(C)+32
Convert Celsius to Fahrenheit
measurement of pressure
Why does something move?
pressure depends on
47. Heat Q= mass of sample x specific heat x temp change
Torque
Projectile
mass flow rate formula
Heat capacity equation
48. C/n
density of lead
density of lead
velocity through a medium
Net force
49. The total disorder of an object
entropy
period p of a mass m oscillating on a horizontal spring of force constant k
ultrasound
Projectile
50. A tendency for liquids to resist flowing.
law of conservation of energy
Newton's Second Law
viscosity
Newton