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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. V x A= constant
continuity
Engine efficiency
Thermal conductivity
wavelength
2. Speed of light / wavelength
wave
frequency of light
Velocity=
Brahe
3. Rod with forces applied at opposite ends in the same direction
Newton's Second Law
infrasound
Net force?0 net torque=0
1 BTU
4. Pressure x area
Stable structures
atmospheric pressure (atm)
frequency of light
Fluid force
5. The heat transfer by electromagnetic waves - thermal light waves
Convert Fahrenheit to Celsius
period of a pendulum T of length L
Radiation
Time for an object thrown to reach maximum height
6. 10 m/s^2
Momentum
Acceleration due to gravity on the earth
Kepler
Condition for stability
7. Heat is transferred directly through a material with no bulk movement of material
Conduction
pressure depends on
atmospheric pressure (atm)
Velocity=
8. 1 -000 kg/m^3
Center of gravity (CG)
Period
Conservation of energy
density of water
9. A disturbance that moves through something
Velocity required for an object to reach height h
wave
Change in internal energy
ultrasound
10. Velocity squared / radius
Einstein
Photon energy
Centripedal acceleration=
Physics
11. The study of heat and its transformation into mechanical energy
Brahe
Thermodynamics
Total momentum before collision
Newton's Second Law
12. If the CG is above the edge - the object will not fall
frequency of light
Stable
Condition for stability
the pressure of liquids _____ when it goes faster
13. Decreases
Center of gravity (CG)
definition of Bernoulii's equation
Torque
the pressure of liquids _____ when it goes faster
14. Rod with forces applied at opposite ends in the same direction
Net force?0 net torque=0
Present velocity
Newton
Second law of thermodynamics
15. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
The US uses how much of the total world energy consumption?
Newton's Second Law
Condition for stability
volume fluid flow rate formula
16. Velocity squared / radius
Convert Celsius to Fahrenheit
Centripedal acceleration=
Power (watts)
density of aluminum
17. P(P2-P1)D^4/128Ln n=fluid's viscosity
Flow through a pipe
density of lead
Buoyant force
Heat capacity equation
18. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Second law of thermodynamics
continuity
Aristotle
Velocity required for an object to reach height h
19. V1 x A1=v2 x A2
Newton
incoming and outgoing flow rate formula
Period
Frequency
20. Heat is transferred directly through a material with no bulk movement of material
Conduction
Second law of thermodynamics
wavelength
c=3x10^8 m/s
21. C / f
Condition for stability
Radiation
Total momentum before collision
Wavelength
22. Change in velocity / time
Resistance
Acceleration
Momentum
Frequency
23. 9/5T(C)+32
Convert Celsius to Fahrenheit
Conduction
Aristotle
Convert Fahrenheit to Celsius
24. You can't get more work out than the energy you put in
static fluid formula
Equilibrium
Wave speed=
Conservation of energy
25. Mass x gravity
Acceleration due to gravity on the earth
Weight
Momentum
Resistance
26. 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.
Newton's Second Law
Heat
Thermal radiation
Emissive
27. The change in internal energy= the heat absorbed- the work done
bernoulli's equation
Fluid force
law of conservation of energy
Heat capacity equation
28. Sounds above 20 -000 Hz
Emissive
density of aluminum
period p of a mass m oscillating on a horizontal spring of force constant k
ultrasound
29. You cant get as much out as you put in
Engine efficiency cannot be 100%
Power (watts)
First Law of thermodynamics
Newton's Second Law
30. The total disorder of an object
Center of gravity (CG)
Total momentum before collision
Total momentum before collision
entropy
31. Not easy to knock over
wavelength
Aristotle
Stable
Speed of light
32. 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.
Stable
Quantum mechanics
Galileo
Net force
33. 5/9 [T(F)-32]
Convert Fahrenheit to Celsius
Condition for stability
density of air
Rotational inertia (moment of inertia)
34. Time required to complete one cycle
volume fluid flow rate formula
Kepler
volume fluid flow rate
Period
35. Mass x specific heat x temperature change
period of a pendulum T of length L
Fluid force
Heat
Buoyant force
36. 18600 miles/sec
Resistance
Speed of light
Period
The US uses how much of the total world energy consumption?
37. T=2p square root m/k frequency= square root k/m;/2p
Heat
Aristotle
period p of a mass m oscillating on a horizontal spring of force constant k
Fluid force
38. 10 m/s^2
Thermodynamics
Acceleration due to gravity on the earth
Thermodynamics
Projectile
39. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Brahe
Conduction
Stable structures
the pressure of liquids _____ when it goes faster
40. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Net force?0 net torque=0
Second law of thermodynamics
Brahe
measure of density
41. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Engine efficiency cannot be 100%
Aristotle
Newton
density of aluminum
42. Heat Q= mass of sample x specific heat x temp change
Equilibrium
Galileo
Speed of light
Heat capacity equation
43. The heat needed to raise the temperature of 1 pound of water by 1 degree F
ultrasound
Net force?0 net torque=0
1 BTU
Newton's Second Law
44. Z+n
azX
bernoulli's equation
Centripedal acceleration=
volume fluid flow rate
45. The effectiveness of a material in conducting heat
Kepler
Present velocity
Newton's Second Law
Thermal conductivity
46. Time= the square root of 2 x height / acceleration due to gravity
Newton's Second Law
Heat
density of lead
Time for an object thrown to reach maximum height
47. 1 / period (time)
Frequency
Convert Celsius to Fahrenheit
definition of Bernoulii's equation
Resistance
48. ?
definition of Bernoulii's equation
volume fluid flow rate formula
c=3x10^8 m/s
Weight
49. Sounds above 20 -000 Hz
Quantum mechanics
ultrasound
Centripedal acceleration=
Heat
50. Kg/m^3
density of air
measure of density
viscosity
Rotational inertia (moment of inertia)