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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. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
Net force
measure of density
volume fluid flow rate
volume fluid flow rate formula
2. Solids - liquids - gases
infrasound
Stable
order of states of matter stronger to lesser forces between atoms
azX
3. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Photon energy
Internal energy
Velocity=
Newton
4. 1 -000 kg/m^3
Fluid force
density of water
volume fluid flow rate formula
Stable
5. Wavelength x frequency
Centripedal acceleration=
Wave speed=
Thermodynamics
definition of Bernoulii's equation
6. Z+n
Emissive
Second law of thermodynamics
density of lead
azX
7. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Buoyant force
Net force?0 net torque=0
Momentum
Stable structures
8. Rod with forces applied at opposite ends in opposite directions
viscosity
Projectile
Period
Net force=0 net torque?0
9. P(P2-P1)D^4/128Ln n=fluid's viscosity
Stable
Stable structures
Heat capacity (specific heat)
Flow through a pipe
10. Are wider at the base (which lowers their center of gravity)
Convection
Voltage
Stable structures
Conservation of energy
11. As the speed of a moving fluid increases - the pressure within the fluid decreases
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12. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Einstein
Quantum mechanics
period p of a mass m oscillating on a horizontal spring of force constant k
Distance traveled
13. If the CG is above the edge - the object will not fall
Convection
Resistance
c=3x10^8 m/s
Condition for stability
14. You can't get more work out than the energy you put in
Conservation of energy
Change in internal energy
pressure at depth h
Engine efficiency cannot be 100%
15. A tendency for liquids to resist flowing.
Engine efficiency cannot be 100%
Newton
viscosity
Resistance
16. T(C) +273
Convert Celsius to Fahrenheit
Convert Celsius to Kelven
atmospheric pressure (atm)
Flow through a pipe
17. 1 / period (time)
infrasound
Frequency
Convection
Conduction
18. The combination of force and point of application
Rotational inertia (moment of inertia)
Torque
measure of density
Quantum mechanics
19. Change in velocity / time
Newton
Physics
Thermodynamics
Acceleration
20. The force that brings a system back to equilibrium
Why does something move?
volume fluid flow rate formula
Einstein
restoring force
21. 10 m/s^2
Second law of thermodynamics
Voltage
Acceleration due to gravity on the earth
wavelength
22. Change in velocity / time
Total momentum before collision
Acceleration
Heat capacity equation
Quantum mechanics
23. Kg/m^3
measure of density
Radiation
Convection
density of water
24. 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
period of a pendulum T of length L
c=3x10^8 m/s
Flow through a pipe
25. Mass x velocity
density of lead
Present velocity
Einstein
Momentum
26. The study of heat and its transformation into mechanical energy
Internal energy
mass flow rate formula
Thermodynamics
Fluid force
27. 2p x square root L/g
Energy of motion (kinetic energy)
Heat capacity equation
continuity
period of a pendulum T of length L
28. Force x lever arm
Centripedal acceleration=
Torque
variation of pressure with depth
Physics
29. Z+n
azX
pressure depends on
the pressure of liquids _____ when it goes faster
density of aluminum
30. Because nothing stops it
wavelength
Why does something move?
Net force
Rotational inertia (moment of inertia)
31. Length of a wave
Velocity=
Flow through a pipe
Net force?0 net torque=0
wavelength
32.
Heat capacity equation
Radiation
Net force
Distance traveled
33. The change in internal energy= the heat absorbed- the work done
law of conservation of energy
Thermodynamics
pressure depends on
Convection
34. A disturbance that propagates through a medium
Torque
variation of pressure with depth
Convection
mechanical wave
35. C/n
Fluid force
Convert Fahrenheit to Celsius
Resistance
velocity through a medium
36. C/n
period p of a mass m oscillating on a horizontal spring of force constant k
Physics
velocity through a medium
order of states of matter stronger to lesser forces between atoms
37. Pressure x area
viscosity
Fluid force
Brahe
Galileo
38. ?
Rotational inertia (moment of inertia)
c=3x10^8 m/s
Speed of light
Einstein
39. 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.
Thermal conductivity
Voltage
Conduction
Galileo
40. Number density x temperature
pressure depends on
Centripedal acceleration=
Wavelength
The US uses how much of the total world energy consumption?
41. F=mass x acceleration
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42. T^4
Newton
Galileo
period p of a mass m oscillating on a horizontal spring of force constant k
Thermal radiation
43. Heat is carried from place to place by the bulk movement of either liquids or gasses
bernoulli's equation
Radiation
First Law of thermodynamics
Convection
44. 18600 miles/sec
Quantum mechanics
Net force
Speed of light
pressure depends on
45. 2 -700 kg/m^3
Change in internal energy
Photon energy
Heat
density of aluminum
46. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
pressure depends on
infrasound
Einstein
First Law of thermodynamics
47.
Convert Fahrenheit to Celsius
Velocity=
Emissive
Distance traveled
48. New theory that explained behavior at the atomic level
pressure does what when depth is increased
Thermal radiation
azX
Quantum mechanics
49. Length of a wave
Aristotle
law of conservation of energy
wavelength
Kepler
50. 9/5T(C)+32
definition of Bernoulii's equation
Galileo
Change in internal energy
Convert Celsius to Fahrenheit