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Test your basic knowledge |
Everyday Physics
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Subjects
:
science
,
literacy
Instructions:
Answer 50 questions in 15 minutes.
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study here
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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. Rod with forces applied at opposite ends in the same direction
Total momentum before collision
Net force?0 net torque=0
Net force
velocity through a medium
2. C / f
velocity through a medium
Convection
Wave speed=
Wavelength
3. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
Convert Celsius to Kelven
Distance traveled
Time for an object thrown to reach maximum height
4. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
azX
volume fluid flow rate
Newton
Speed of light
5. The energy that flows from one system to another because of their temperature difference.
Total momentum before collision
Rotational inertia (moment of inertia)
Engine efficiency cannot be 100%
Heat
6. Current x voltage energy/time (joules per second)
Projectile
Resistance
Power (watts)
Emissive
7. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
density of water
Radiation
Newton
Emissive
8. Number density x temperature
Brahe
pressure depends on
Engine efficiency cannot be 100%
Stable
9. C / f
Wavelength
mechanical wave
density of aluminum
Net force=0 net torque?0
10. Hf
Thermal radiation
Photon energy
The US uses how much of the total world energy consumption?
Heat
11. The study of heat and its transformation into mechanical energy
Heat capacity (specific heat)
Thermodynamics
Newton
incoming and outgoing flow rate formula
12. An object that is thrown or struck or shot and then travels under the influence of gravity
Projectile
Stable
Acceleration due to gravity on the earth
Voltage
13. Speed of light / wavelength
Newton's Second Law
Fluid force
frequency of light
Center of gravity (CG)
14. 100 -000 n/m^2
static fluid formula
pressure does what when depth is increased
Net force
atmospheric pressure (atm)
15. Current x resistance
Present velocity
Change in internal energy
density of air
Voltage
16. Heat is carried from place to place by the bulk movement of either liquids or gasses
Convection
Change in internal energy
Change in internal energy
wave
17. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
mass flow rate formula
Rotational inertia (moment of inertia)
Second law of thermodynamics
frequency of light
18. Mass x velocity
atmospheric pressure (atm)
Momentum
velocity through a medium
Photon energy
19. Time= the square root of 2 x height / acceleration due to gravity
Center of gravity (CG)
Time for an object thrown to reach maximum height
variation of pressure with depth
Wave speed=
20. Rod with forces applied at opposite ends in opposite directions
Heat capacity equation
pressure does what when depth is increased
Net force=0 net torque?0
period p of a mass m oscillating on a horizontal spring of force constant k
21. 18600 miles/sec
Speed of light
Net force=0 net torque?0
density of air
density of air
22. Why things move
Velocity=
Velocity=
Mechanics
Acceleration
23. If energy is transferred and the internal energy of system B decreases by some amount then the internal energy of system A must incrase by the same amount.
Resistance
volume fluid flow rate
First Law of thermodynamics
Newton
24. Mass x specific heat x temperature change
volume fluid flow rate formula
Stable structures
Distance traveled
Heat
25. 2p x square root L/g
Convection
Kepler
period of a pendulum T of length L
ultrasound
26. T(C) +273
Engine efficiency cannot be 100%
law of conservation of energy
Convert Celsius to Kelven
Quantum mechanics
27. T(C) +273
Fluid force
Convert Celsius to Kelven
frequency of light
Newton
28. V1 x A1=v2 x A2
pressure does what when depth is increased
Energy of motion (kinetic energy)
incoming and outgoing flow rate formula
Thermal radiation
29.
Thermal conductivity
definition of Bernoulii's equation
period p of a mass m oscillating on a horizontal spring of force constant k
Energy of motion (kinetic energy)
30. 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).
Pressure=
azX
Physics
wavelength
31. Fbottom-Ftop=mg=(density x vol) x g
Pressure=
Engine efficiency cannot be 100%
variation of pressure with depth
Power (watts)
32. The level stays the same
when ice in water melts what happens?
Physics
frequency of light
Heat
33. Force x lever arm
Net force?0 net torque=0
Newton
bernoulli's equation
Torque
34. Heat is transferred directly through a material with no bulk movement of material
wave
Conduction
infrasound
incoming and outgoing flow rate formula
35. 9/5T(C)+32
velocity through a medium
Convert Celsius to Fahrenheit
density of aluminum
infrasound
36. Are wider at the base (which lowers their center of gravity)
Stable structures
Centripedal acceleration=
law of conservation of energy
Acceleration
37. 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.
Pressure=
Period
Galileo
the pressure of liquids _____ when it goes faster
38. Pressure x area
Convert Celsius to Kelven
Distance traveled
Fluid force
pressure at depth h
39. If the CG is above the edge - the object will not fall
Heat
Condition for stability
Speed of light
Momentum
40. The level stays the same
Einstein
when ice in water melts what happens?
Mechanics
Heat capacity (specific heat)
41. P x u x A
mass flow rate formula
continuity
atmospheric pressure (atm)
Stable structures
42. Work done / heat in
Change in internal energy
Engine efficiency
Convert Celsius to Kelven
Heat capacity equation
43. ?
Flow through a pipe
c=3x10^8 m/s
density of water
Resistance
44. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
volume fluid flow rate
Wave speed=
Brahe
The US uses how much of the total world energy consumption?
45. 5/9 [T(F)-32]
Convert Fahrenheit to Celsius
Convert Celsius to Fahrenheit
static fluid formula
Stable structures
46. The sum of the energy of all the molecules in the system
wavelength
Internal energy
density of air
Fluid force
47. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
definition of Bernoulii's equation
Why does something move?
Conduction
48. How much torque it takes to get an object rotating
Convection
Engine efficiency cannot be 100%
incoming and outgoing flow rate formula
Rotational inertia (moment of inertia)
49. Hf
azX
amplitude
velocity through a medium
Photon energy
50. Why things move
Photon energy
c=3x10^8 m/s
Mechanics
Thermal conductivity
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