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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. Not easy to knock over
Internal energy
Time for an object thrown to reach maximum height
Stable
Centripedal acceleration=
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.
First Law of thermodynamics
entropy
Centripedal acceleration=
Engine efficiency
3. Voltage / current
density of air
Present velocity
Resistance
Period
4. P + density x g h
continuity
density of air
pressure at depth h
Pressure=
5. The force that brings a system back to equilibrium
Buoyant force
Total momentum before collision
Velocity=
restoring force
6. 25%
Thermodynamics
The US uses how much of the total world energy consumption?
Pressure=
law of conservation of energy
7. Number density x temperature
Convert Fahrenheit to Celsius
pressure depends on
Brahe
Stable
8. 9/5T(C)+32
Newton's Second Law
Convert Celsius to Fahrenheit
continuity
Energy of motion (kinetic energy)
9. The heat transfer by electromagnetic waves - thermal light waves
Pressure=
Convert Celsius to Kelven
Centripedal acceleration=
Radiation
10. Weight of displaced water=volume of displaced water in liters x 10 n / liter
incoming and outgoing flow rate formula
Flow through a pipe
Buoyant force
Convection
11. Heat into system - work done by system
Newton
Change in internal energy
Stable structures
amplitude
12. A disturbance that moves through something
Frequency
ultrasound
wave
Fluid force
13. Fbottom-Ftop=mg=(density x vol) x g
volume fluid flow rate
variation of pressure with depth
Voltage
Net force?0 net torque=0
14. Time required to complete one cycle
Heat capacity (specific heat)
Period
bernoulli's equation
measure of density
15. Mass x gravity
Period
Thermal conductivity
Weight
Period
16. 18600 miles/sec
Stable structures
Einstein
Speed of light
volume fluid flow rate formula
17. 10 m/s^2
mechanical wave
Acceleration due to gravity on the earth
Internal energy
measurement of pressure
18. F=mass x acceleration
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19. Not easy to knock over
bernoulli's equation
Stable
Voltage
Emissive
20. Current x resistance
Engine efficiency
azX
when ice in water melts what happens?
Voltage
21. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
Acceleration
Center of gravity (CG)
order of states of matter stronger to lesser forces between atoms
22. If the CG is above the edge - the object will not fall
Flow through a pipe
Condition for stability
Speed of light
Equilibrium
23. Current x resistance
Flow through a pipe
Rotational inertia (moment of inertia)
Voltage
density of air
24. 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.
Convert Fahrenheit to Celsius
Speed of light
Internal energy
Emissive
25. Time= the square root of 2 x height / acceleration due to gravity
Heat capacity equation
Time for an object thrown to reach maximum height
Wave speed=
Why does something move?
26. Kg/m^3
Convert Fahrenheit to Celsius
Radiation
Total momentum before collision
measure of density
27. 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
Heat
pressure at depth h
Engine efficiency
28. A tendency for liquids to resist flowing.
velocity through a medium
Galileo
amplitude
viscosity
29. Rod with forces applied at opposite ends in the same direction
Frequency
Equilibrium
Velocity required for an object to reach height h
Net force?0 net torque=0
30. Z+n
Galileo
azX
Period
Second law of thermodynamics
31. Decreases
Stable structures
ultrasound
Fluid force
the pressure of liquids _____ when it goes faster
32. Are wider at the base (which lowers their center of gravity)
pressure does what when depth is increased
Conduction
Stable structures
1 BTU
33. 2 -700 kg/m^3
density of aluminum
Present velocity
Stable structures
frequency of light
34. Distance traveled / time
Velocity=
incoming and outgoing flow rate formula
Newton
mechanical wave
35. The sum of the energy of all the molecules in the system
Internal energy
Net force=0 net torque?0
Fluid force
entropy
36. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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37. P(P2-P1)D^4/128Ln n=fluid's viscosity
Flow through a pipe
Resistance
Wave speed=
Energy of motion (kinetic energy)
38. Maximum displacement from equilibrium
amplitude
Acceleration
Wave speed=
Condition for stability
39. The change in internal energy= the heat absorbed- the work done
definition of Bernoulii's equation
law of conservation of energy
Heat capacity (specific heat)
static fluid formula
40. The force that brings a system back to equilibrium
volume fluid flow rate formula
order of states of matter stronger to lesser forces between atoms
restoring force
Change in internal energy
41. V x A= constant
Why does something move?
Engine efficiency cannot be 100%
continuity
Energy of motion (kinetic energy)
42. The effectiveness of a material in conducting heat
amplitude
pressure depends on
Thermal conductivity
Aristotle
43. Fbottom-Ftop=mg=(density x vol) x g
variation of pressure with depth
Why does something move?
bernoulli's equation
Net force=0 net torque?0
44. A tendency for liquids to resist flowing.
viscosity
The US uses how much of the total world energy consumption?
Radiation
Time for an object thrown to reach maximum height
45. Sounds below 30 Hz
infrasound
Time for an object thrown to reach maximum height
Convert Celsius to Kelven
Emissive
46. Mass x specific heat x temperature change
restoring force
Centripedal acceleration=
Period
Heat
47. 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 aluminum
Flow through a pipe
order of states of matter stronger to lesser forces between atoms
48. ?
Speed of light
Newton
volume fluid flow rate formula
c=3x10^8 m/s
49. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
volume fluid flow rate
Galileo
mass flow rate formula
Newton
50. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Galileo
pressure depends on
restoring force
Second law of thermodynamics