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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 combination of force and point of application
Quantum mechanics
Center of gravity (CG)
Torque
Period
2. C / f
viscosity
Wavelength
Mechanics
Heat
3. The heat needed to raise the temperature of 1 pound of water by 1 degree F
1 BTU
Distance traveled
Kepler
Wavelength
4. Velocity squared / radius
incoming and outgoing flow rate formula
Centripedal acceleration=
Equilibrium
atmospheric pressure (atm)
5. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
wave
Centripedal acceleration=
Frequency
6. Solids - liquids - gases
Buoyant force
pressure depends on
Velocity required for an object to reach height h
order of states of matter stronger to lesser forces between atoms
7. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
atmospheric pressure (atm)
pressure does what when depth is increased
volume fluid flow rate
Flow through a pipe
8. Because nothing stops it
volume fluid flow rate formula
Why does something move?
Wave speed=
Thermodynamics
9. New theory that explained behavior at the atomic level
Quantum mechanics
Centripedal acceleration=
Engine efficiency
Resistance
10. Heat Q= mass of sample x specific heat x temp change
Heat capacity equation
Acceleration due to gravity on the earth
variation of pressure with depth
Frequency
11. Fbottom-Ftop=mg=(density x vol) x g
Photon energy
pressure at depth h
variation of pressure with depth
viscosity
12. The combination of force and point of application
Total momentum before collision
bernoulli's equation
Thermal radiation
Torque
13. The total disorder of an object
Resistance
static fluid formula
Power (watts)
entropy
14. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Mechanics
Newton
Centripedal acceleration=
Thermal conductivity
15. Heat into system - work done by system
Change in internal energy
when ice in water melts what happens?
1 BTU
density of aluminum
16. Not easy to knock over
Stable
wave
Resistance
Wave speed=
17. 2 -700 kg/m^3
Photon energy
Convert Celsius to Fahrenheit
density of aluminum
Quantum mechanics
18. 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.
period of a pendulum T of length L
First Law of thermodynamics
Einstein
restoring force
19. The center of an object
Power (watts)
law of conservation of energy
Center of gravity (CG)
Thermal radiation
20. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Momentum
Brahe
variation of pressure with depth
Frequency
21. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
amplitude
Torque
volume fluid flow rate
Frequency
22. It increases
pressure does what when depth is increased
bernoulli's equation
Thermal radiation
amplitude
23. Net force=0 net torque=0
Engine efficiency
Equilibrium
Aristotle
Mechanics
24. Distance traveled / time
Internal energy
Physics
Velocity=
Convert Fahrenheit to Celsius
25. Sounds below 30 Hz
The US uses how much of the total world energy consumption?
infrasound
density of water
1 BTU
26. If the CG is above the edge - the object will not fall
Centripedal acceleration=
Condition for stability
definition of Bernoulii's equation
measurement of pressure
27. C / f
Centripedal acceleration=
Wavelength
Kepler
ultrasound
28. A disturbance that moves through something
Torque
wave
Wave speed=
The US uses how much of the total world energy consumption?
29. T(C) +273
continuity
continuity
Convert Celsius to Kelven
Speed of light
30. Force x lever arm
wavelength
measure of density
the pressure of liquids _____ when it goes faster
Torque
31. 9/5T(C)+32
ultrasound
Stable structures
Convert Celsius to Fahrenheit
Radiation
32. 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
Voltage
Thermal radiation
Centripedal acceleration=
33. 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).
Radiation
Physics
volume fluid flow rate formula
Torque
34. Believed that the natural state of objects was to be at rest
Aristotle
Stable structures
Engine efficiency cannot be 100%
order of states of matter stronger to lesser forces between atoms
35. Weight of displaced water=volume of displaced water in liters x 10 n / liter
wave
Total momentum before collision
Stable
Buoyant force
36. Voltage / current
First Law of thermodynamics
entropy
Projectile
Resistance
37.
Internal energy
velocity through a medium
Fluid force
Energy of motion (kinetic energy)
38. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
Present velocity
Velocity=
Energy of motion (kinetic energy)
39. 18600 miles/sec
Wave speed=
frequency of light
Speed of light
Convert Fahrenheit to Celsius
40. Hf
Photon energy
Wavelength
ultrasound
Physics
41. Net force=0 net torque=0
period p of a mass m oscillating on a horizontal spring of force constant k
1 BTU
Equilibrium
Physics
42. Mass x gravity
Frequency
Weight
Galileo
Momentum
43. 100 -000 n/m^2
Power (watts)
atmospheric pressure (atm)
static fluid formula
Radiation
44. Sounds above 20 -000 Hz
continuity
Velocity=
ultrasound
Heat
45. 5/9 [T(F)-32]
Convert Fahrenheit to Celsius
velocity through a medium
Wavelength
First Law of thermodynamics
46. As the speed of a moving fluid increases - the pressure within the fluid decreases
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47. Mass x specific heat x temperature change
Stable structures
wavelength
Heat
Torque
48. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
Center of gravity (CG)
bernoulli's equation
variation of pressure with depth
49. Current x voltage energy/time (joules per second)
definition of Bernoulii's equation
pressure at depth h
Power (watts)
variation of pressure with depth
50. The total force (positive and negative) acting upon an object
Net force
atmospheric pressure (atm)
Torque
mass flow rate formula