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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. Rod with forces applied at opposite ends in opposite directions
Weight
pressure does what when depth is increased
Net force=0 net torque?0
Heat
2. Number density x temperature
static fluid formula
pressure depends on
Center of gravity (CG)
Heat capacity (specific heat)
3. The sum of the energy of all the molecules in the system
Speed of light
Internal energy
Aristotle
Thermodynamics
4. 9/5T(C)+32
pressure at depth h
Energy of motion (kinetic energy)
Convert Celsius to Fahrenheit
incoming and outgoing flow rate formula
5. T^4
period of a pendulum T of length L
Centripedal acceleration=
infrasound
Thermal radiation
6. P x u x A
c=3x10^8 m/s
density of lead
mass flow rate formula
azX
7. 18600 miles/sec
Speed of light
Velocity=
Flow through a pipe
Total momentum before collision
8. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
density of aluminum
Einstein
Condition for stability
Photon energy
9. 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.
Change in internal energy
Galileo
Present velocity
Fluid force
10. P x u x A
variation of pressure with depth
Radiation
mass flow rate formula
Brahe
11. Kg/m^3
Convert Fahrenheit to Celsius
measure of density
Condition for stability
Change in internal energy
12. It increases
Thermal radiation
Net force=0 net torque?0
period p of a mass m oscillating on a horizontal spring of force constant k
pressure does what when depth is increased
13. Velocity squared / radius
Centripedal acceleration=
Time for an object thrown to reach maximum height
Condition for stability
Rotational inertia (moment of inertia)
14. Rod with forces applied at opposite ends in the same direction
restoring force
Net force?0 net torque=0
Wave speed=
pressure depends on
15. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Fluid force
Net force
Thermal radiation
volume fluid flow rate formula
16. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Kepler
density of aluminum
Change in internal energy
Acceleration due to gravity on the earth
17. Are wider at the base (which lowers their center of gravity)
Speed of light
volume fluid flow rate formula
Total momentum before collision
Stable structures
18. Current x voltage energy/time (joules per second)
Total momentum before collision
period p of a mass m oscillating on a horizontal spring of force constant k
Power (watts)
Weight
19. The total disorder of an object
Stable structures
Heat
Weight
entropy
20. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Heat capacity (specific heat)
Mechanics
Buoyant force
Condition for stability
21. The force that brings a system back to equilibrium
Distance traveled
Frequency
restoring force
Convert Fahrenheit to Celsius
22. Speed of light / wavelength
Weight
Centripedal acceleration=
Radiation
frequency of light
23. 1 / period (time)
Frequency
Heat capacity equation
law of conservation of energy
Velocity=
24. Rod with forces applied at opposite ends in opposite directions
Acceleration
Weight
Net force=0 net torque?0
Brahe
25. Not easy to knock over
Kepler
Stable
law of conservation of energy
mass flow rate formula
26. The total disorder of an object
static fluid formula
incoming and outgoing flow rate formula
Centripedal acceleration=
entropy
27. 100 -000 n/m^2
Period
atmospheric pressure (atm)
mass flow rate formula
Torque
28. Mass x specific heat x temperature change
Resistance
Heat
Velocity=
mechanical wave
29. Force per unit area
Stable structures
Second law of thermodynamics
amplitude
Pressure=
30. T=2p square root m/k frequency= square root k/m;/2p
Centripedal acceleration=
Newton's Second Law
period p of a mass m oscillating on a horizontal spring of force constant k
pressure at depth h
31. 25%
Thermal conductivity
The US uses how much of the total world energy consumption?
Net force
Present velocity
32. Z+n
Change in internal energy
azX
Heat
Torque
33. It increases
wave
period of a pendulum T of length L
velocity through a medium
pressure does what when depth is increased
34. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
volume fluid flow rate
Resistance
Net force
Internal energy
35. The energy that flows from one system to another because of their temperature difference.
Stable
Heat
Equilibrium
Equilibrium
36. Length of a wave
the pressure of liquids _____ when it goes faster
wavelength
measurement of pressure
Thermal conductivity
37. Initial velocity = acceleration x time
Weight
Present velocity
wavelength
pressure at depth h
38. Heat is carried from place to place by the bulk movement of either liquids or gasses
Convection
period of a pendulum T of length L
Acceleration due to gravity on the earth
Einstein
39. Number density x temperature
pressure depends on
Quantum mechanics
Fluid force
Newton
40. Maximum displacement from equilibrium
Distance traveled
amplitude
Period
Torque
41. Work done / heat in
Engine efficiency
Weight
volume fluid flow rate formula
pressure at depth h
42. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Centripedal acceleration=
pressure depends on
Brahe
Power (watts)
43. The change in internal energy= the heat absorbed- the work done
c=3x10^8 m/s
law of conservation of energy
Resistance
density of air
44. Heat into system - work done by system
infrasound
Change in internal energy
Engine efficiency cannot be 100%
Convert Celsius to Kelven
45. The total force (positive and negative) acting upon an object
Net force
frequency of light
Why does something move?
static fluid formula
46. Heat Q= mass of sample x specific heat x temp change
Speed of light
Heat capacity equation
pressure at depth h
Thermodynamics
47. Not easy to knock over
atmospheric pressure (atm)
Acceleration
wave
Stable
48. The level stays the same
Stable
Period
when ice in water melts what happens?
Aristotle
49. V x A= constant
continuity
Einstein
viscosity
Power (watts)
50. Pressure x area
Fluid force
Convert Fahrenheit to Celsius
Distance traveled
Brahe