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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. 100 -000 n/m^2
entropy
Why does something move?
atmospheric pressure (atm)
Total momentum before collision
2. Net force=0 net torque=0
Equilibrium
Photon energy
when ice in water melts what happens?
Pressure=
3. 11 -000 kg/m^3
Time for an object thrown to reach maximum height
density of lead
c=3x10^8 m/s
First Law of thermodynamics
4. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Newton's Second Law
Brahe
bernoulli's equation
Heat capacity (specific heat)
5. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
Torque
Internal energy
continuity
volume fluid flow rate
6. The total disorder of an object
bernoulli's equation
Acceleration due to gravity on the earth
entropy
Heat
7. V1 x A1=v2 x A2
restoring force
Aristotle
incoming and outgoing flow rate formula
atmospheric pressure (atm)
8. Why things move
Conservation of energy
Engine efficiency
Speed of light
Mechanics
9. Force x lever arm
continuity
Torque
azX
continuity
10. Time required to complete one cycle
Period
Net force=0 net torque?0
Newton's Second Law
volume fluid flow rate
11. The center of an object
measure of density
Rotational inertia (moment of inertia)
Newton's Second Law
Center of gravity (CG)
12. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
wavelength
ultrasound
Convert Fahrenheit to Celsius
Newton
13. Mass x velocity
Convert Celsius to Kelven
law of conservation of energy
Momentum
Stable structures
14. 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)
Physics
First Law of thermodynamics
Centripedal acceleration=
15. 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
Present velocity
Centripedal acceleration=
Newton's Second Law
16. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Emissive
Brahe
Frequency
Net force
17. 1 -000 kg/m^3
Equilibrium
density of water
Velocity required for an object to reach height h
Rotational inertia (moment of inertia)
18. Solids - liquids - gases
First Law of thermodynamics
1 BTU
Energy of motion (kinetic energy)
order of states of matter stronger to lesser forces between atoms
19. Are wider at the base (which lowers their center of gravity)
Stable structures
Acceleration
Stable
Internal energy
20. The energy that flows from one system to another because of their temperature difference.
ultrasound
First Law of thermodynamics
Heat
1 BTU
21. 9/5T(C)+32
Convert Celsius to Fahrenheit
Rotational inertia (moment of inertia)
Time for an object thrown to reach maximum height
Weight
22. A disturbance that propagates through a medium
mechanical wave
Net force?0 net torque=0
Change in internal energy
First Law of thermodynamics
23. C / f
Galileo
Wave speed=
Heat
Wavelength
24. The force that brings a system back to equilibrium
Mechanics
Quantum mechanics
restoring force
entropy
25. Are wider at the base (which lowers their center of gravity)
Rotational inertia (moment of inertia)
Power (watts)
Kepler
Stable structures
26. T(C) +273
Engine efficiency cannot be 100%
Convert Celsius to Kelven
azX
Buoyant force
27. You cant get as much out as you put in
Engine efficiency cannot be 100%
wave
Convert Celsius to Kelven
density of air
28. 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
viscosity
Period
Convert Fahrenheit to Celsius
29. The total disorder of an object
Mechanics
entropy
Thermal conductivity
Why does something move?
30. You can't get more work out than the energy you put in
Buoyant force
Conservation of energy
Torque
Photon energy
31. Believed that the natural state of objects was to be at rest
Aristotle
Engine efficiency cannot be 100%
Pressure=
Radiation
32. The heat needed to raise the temperature of 1 pound of water by 1 degree F
1 BTU
Acceleration due to gravity on the earth
Center of gravity (CG)
period p of a mass m oscillating on a horizontal spring of force constant k
33. Force x lever arm
Torque
Convert Celsius to Kelven
Heat capacity equation
entropy
34. 1 / period (time)
Kepler
Frequency
Period
pressure at depth h
35. A disturbance that moves through something
wave
viscosity
wavelength
Period
36. Z+n
azX
pressure depends on
variation of pressure with depth
Speed of light
37. P + density x g h
Conduction
Power (watts)
Thermal radiation
pressure at depth h
38. Pascal (Pa) or pounds per square inch (psi)
measurement of pressure
mechanical wave
Frequency
Flow through a pipe
39.
Center of gravity (CG)
Rotational inertia (moment of inertia)
Energy of motion (kinetic energy)
entropy
40. Initial velocity = acceleration x time
Convert Celsius to Fahrenheit
Present velocity
Second law of thermodynamics
Time for an object thrown to reach maximum height
41. The energy that flows from one system to another because of their temperature difference.
Time for an object thrown to reach maximum height
Conservation of energy
Acceleration
Heat
42. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Conduction
Pressure=
Projectile
Einstein
43.
static fluid formula
measurement of pressure
Distance traveled
Condition for stability
44. 1.25 kg/m^3
density of air
Emissive
Heat capacity (specific heat)
Net force
45. Current x resistance
volume fluid flow rate
Voltage
Thermal conductivity
Net force?0 net torque=0
46. As the speed of a moving fluid increases - the pressure within the fluid decreases
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47. C/n
velocity through a medium
static fluid formula
measure of density
Internal energy
48. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Quantum mechanics
volume fluid flow rate formula
Net force
Resistance
49. Fbottom-Ftop=mg=(density x vol) x g
Newton's Second Law
variation of pressure with depth
Centripedal acceleration=
mechanical wave
50. The total force (positive and negative) acting upon an object
Net force=0 net torque?0
Net force
measurement of pressure
definition of Bernoulii's equation
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