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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. The sum of the energy of all the molecules in the system
Change in internal energy
Internal energy
infrasound
Acceleration due to gravity on the earth
2. The force that brings a system back to equilibrium
restoring force
wavelength
Period
Present velocity
3. Heat into system - work done by system
pressure depends on
viscosity
Change in internal energy
Thermodynamics
4. 5/9 [T(F)-32]
Voltage
Wavelength
Wave speed=
Convert Fahrenheit to Celsius
5. The heat transfer by electromagnetic waves - thermal light waves
density of water
Convert Celsius to Fahrenheit
Radiation
Power (watts)
6. 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.
Speed of light
period p of a mass m oscillating on a horizontal spring of force constant k
Heat capacity (specific heat)
Emissive
7. Kg/m^3
measure of density
Power (watts)
the pressure of liquids _____ when it goes faster
static fluid formula
8. T=2p square root m/k frequency= square root k/m;/2p
Mechanics
Convection
period p of a mass m oscillating on a horizontal spring of force constant k
c=3x10^8 m/s
9. F=mass x acceleration
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10. Fbottom=Ftop+mg where mg is the weight of the volume
Convection
measurement of pressure
Net force
static fluid formula
11. Heat is carried from place to place by the bulk movement of either liquids or gasses
definition of Bernoulii's equation
order of states of matter stronger to lesser forces between atoms
Convection
density of lead
12. A disturbance that moves through something
c=3x10^8 m/s
definition of Bernoulii's equation
order of states of matter stronger to lesser forces between atoms
wave
13. ?
definition of Bernoulii's equation
Convert Celsius to Fahrenheit
c=3x10^8 m/s
Convert Celsius to Fahrenheit
14. 5/9 [T(F)-32]
Time for an object thrown to reach maximum height
Weight
Convert Fahrenheit to Celsius
Pressure=
15. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
bernoulli's equation
Stable structures
volume fluid flow rate formula
Heat capacity equation
16. C / f
pressure at depth h
Net force=0 net torque?0
Wavelength
frequency of light
17. Equals total momentum after collision
Engine efficiency cannot be 100%
when ice in water melts what happens?
Total momentum before collision
Torque
18. The combination of force and point of application
continuity
Physics
Torque
measure of density
19. Voltage / current
Center of gravity (CG)
Wavelength
velocity through a medium
Resistance
20. A disturbance that propagates through a medium
bernoulli's equation
Net force
Thermal conductivity
mechanical wave
21. Force per unit area
Photon energy
Pressure=
Radiation
Buoyant force
22. 1.25 kg/m^3
static fluid formula
Convection
density of air
pressure does what when depth is increased
23. 1 -000 kg/m^3
pressure does what when depth is increased
frequency of light
density of water
The US uses how much of the total world energy consumption?
24. Rod with forces applied at opposite ends in the same direction
volume fluid flow rate
Present velocity
Net force?0 net torque=0
Energy of motion (kinetic energy)
25. Initial velocity = acceleration x time
Present velocity
Distance traveled
First Law of thermodynamics
Centripedal acceleration=
26. The effectiveness of a material in conducting heat
azX
Speed of light
Thermal conductivity
Mechanics
27. Solids - liquids - gases
Pressure=
order of states of matter stronger to lesser forces between atoms
Heat
Fluid force
28. 1 / period (time)
velocity through a medium
Conservation of energy
Wavelength
Frequency
29. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
Equilibrium
definition of Bernoulii's equation
Heat
30. Time required to complete one cycle
Why does something move?
Torque
Second law of thermodynamics
Period
31. Net force=0 net torque=0
Net force?0 net torque=0
Equilibrium
ultrasound
Mechanics
32. The effectiveness of a material in conducting heat
atmospheric pressure (atm)
measurement of pressure
Brahe
Thermal conductivity
33. Hf
density of air
Engine efficiency
Photon energy
period of a pendulum T of length L
34. As the speed of a moving fluid increases - the pressure within the fluid decreases
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35. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Brahe
Stable
Projectile
Present velocity
36. Why things move
incoming and outgoing flow rate formula
Mechanics
Torque
Total momentum before collision
37. 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.
Center of gravity (CG)
First Law of thermodynamics
static fluid formula
Second law of thermodynamics
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).
continuity
Speed of light
the pressure of liquids _____ when it goes faster
Physics
39. 18600 miles/sec
Brahe
Speed of light
Engine efficiency
frequency of light
40. Why things move
mechanical wave
incoming and outgoing flow rate formula
Flow through a pipe
Mechanics
41. 1 / period (time)
Pressure=
Frequency
bernoulli's equation
wavelength
42. Rod with forces applied at opposite ends in opposite directions
Net force=0 net torque?0
Aristotle
law of conservation of energy
Momentum
43. 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.
First Law of thermodynamics
Velocity=
mechanical wave
Equilibrium
44. Mass x specific heat x temperature change
Flow through a pipe
Net force?0 net torque=0
Convection
Heat
45. The combination of force and point of application
viscosity
Physics
Torque
continuity
46. Not easy to knock over
restoring force
Total momentum before collision
Change in internal energy
Stable
47. You cant get as much out as you put in
Brahe
entropy
Engine efficiency cannot be 100%
Rotational inertia (moment of inertia)
48. New theory that explained behavior at the atomic level
atmospheric pressure (atm)
Velocity required for an object to reach height h
Quantum mechanics
Total momentum before collision
49. 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.
frequency of light
Period
Galileo
Engine efficiency cannot be 100%
50. P + density x g h
Galileo
Pressure=
pressure at depth h
The US uses how much of the total world energy consumption?