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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 effectiveness of a material in conducting heat
Weight
Voltage
the pressure of liquids _____ when it goes faster
Thermal conductivity
2. 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.
definition of Bernoulii's equation
pressure does what when depth is increased
Emissive
First Law of thermodynamics
3. Hf
Net force
mass flow rate formula
Physics
Photon energy
4. 1 -000 kg/m^3
Einstein
Convert Celsius to Kelven
wavelength
density of water
5. The center of an object
Center of gravity (CG)
Newton
Radiation
order of states of matter stronger to lesser forces between atoms
6. 10 m/s^2
volume fluid flow rate formula
measurement of pressure
mass flow rate formula
Acceleration due to gravity on the earth
7. 1 / period (time)
Period
frequency of light
pressure at depth h
Frequency
8. Number density x temperature
density of water
Center of gravity (CG)
Einstein
pressure depends on
9. Rod with forces applied at opposite ends in opposite directions
Net force=0 net torque?0
Acceleration
Engine efficiency
Thermal conductivity
10. New theory that explained behavior at the atomic level
definition of Bernoulii's equation
Quantum mechanics
the pressure of liquids _____ when it goes faster
mechanical wave
11. 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).
Physics
bernoulli's equation
Time for an object thrown to reach maximum height
Distance traveled
12. The total disorder of an object
Mechanics
Pressure=
entropy
Voltage
13. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
volume fluid flow rate
Conduction
Acceleration
Mechanics
14. 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).
Acceleration
Present velocity
Physics
period p of a mass m oscillating on a horizontal spring of force constant k
15. The change in internal energy= the heat absorbed- the work done
law of conservation of energy
c=3x10^8 m/s
Change in internal energy
Net force
16. If the CG is above the edge - the object will not fall
restoring force
Conduction
1 BTU
Condition for stability
17. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Buoyant force
when ice in water melts what happens?
Heat capacity (specific heat)
Physics
18. An object that is thrown or struck or shot and then travels under the influence of gravity
definition of Bernoulii's equation
Projectile
azX
order of states of matter stronger to lesser forces between atoms
19. You cant get as much out as you put in
velocity through a medium
Engine efficiency cannot be 100%
volume fluid flow rate formula
Convection
20. 100 -000 n/m^2
incoming and outgoing flow rate formula
atmospheric pressure (atm)
Acceleration due to gravity on the earth
Net force=0 net torque?0
21. 1 -000 kg/m^3
density of water
Photon energy
frequency of light
Equilibrium
22. 18600 miles/sec
Speed of light
Thermal radiation
the pressure of liquids _____ when it goes faster
Heat capacity equation
23. V1 x A1=v2 x A2
incoming and outgoing flow rate formula
Thermodynamics
Equilibrium
Buoyant force
24. The combination of force and point of application
Projectile
Torque
Flow through a pipe
Wavelength
25. A disturbance that propagates through a medium
Energy of motion (kinetic energy)
mechanical wave
continuity
Change in internal energy
26. The energy that flows from one system to another because of their temperature difference.
Conduction
Heat
Change in internal energy
Thermodynamics
27. Current x voltage energy/time (joules per second)
infrasound
Power (watts)
Pressure=
bernoulli's equation
28. Sounds below 30 Hz
Heat
the pressure of liquids _____ when it goes faster
infrasound
Stable structures
29. Pascal (Pa) or pounds per square inch (psi)
Flow through a pipe
measurement of pressure
atmospheric pressure (atm)
Net force?0 net torque=0
30. 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.
Speed of light
Radiation
Galileo
viscosity
31. 5/9 [T(F)-32]
Convert Fahrenheit to Celsius
Stable structures
the pressure of liquids _____ when it goes faster
incoming and outgoing flow rate formula
32. Sounds above 20 -000 Hz
ultrasound
continuity
Second law of thermodynamics
Condition for stability
33. Fbottom-Ftop=mg=(density x vol) x g
Conduction
Torque
variation of pressure with depth
bernoulli's equation
34. F=mass x acceleration
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35. Force x lever arm
Equilibrium
Frequency
Torque
Distance traveled
36. T(C) +273
Stable structures
Thermal radiation
Rotational inertia (moment of inertia)
Convert Celsius to Kelven
37. If the CG is above the edge - the object will not fall
Weight
infrasound
Condition for stability
Total momentum before collision
38. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Resistance
Stable
Internal energy
Second law of thermodynamics
39. Maximum displacement from equilibrium
Net force?0 net torque=0
amplitude
azX
Radiation
40. The level stays the same
The US uses how much of the total world energy consumption?
Thermal conductivity
when ice in water melts what happens?
Buoyant force
41. The energy that flows from one system to another because of their temperature difference.
Heat
Frequency
Newton
restoring force
42. V x A= constant
continuity
wavelength
incoming and outgoing flow rate formula
Torque
43. Voltage / current
Convert Fahrenheit to Celsius
definition of Bernoulii's equation
Resistance
the pressure of liquids _____ when it goes faster
44. Heat into system - work done by system
First Law of thermodynamics
Change in internal energy
Distance traveled
Newton's Second Law
45. Fbottom=Ftop+mg where mg is the weight of the volume
Energy of motion (kinetic energy)
static fluid formula
Stable structures
mass flow rate formula
46. T^4
Buoyant force
wave
Condition for stability
Thermal radiation
47. Force per unit area
Pressure=
measurement of pressure
Condition for stability
Fluid force
48. The change in internal energy= the heat absorbed- the work done
Heat capacity (specific heat)
Mechanics
definition of Bernoulii's equation
law of conservation of energy
49. 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.
Internal energy
Galileo
period of a pendulum T of length L
Emissive
50. As the speed of a moving fluid increases - the pressure within the fluid decreases
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