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Test your basic knowledge |
Everyday Physics
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Subjects
:
science
,
literacy
Instructions:
Answer 50 questions in 15 minutes.
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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. 11 -000 kg/m^3
Rotational inertia (moment of inertia)
density of lead
atmospheric pressure (atm)
Emissive
2. Z+n
Acceleration
Net force
azX
period of a pendulum T of length L
3. The energy that flows from one system to another because of their temperature difference.
Heat
pressure at depth h
Momentum
Time for an object thrown to reach maximum height
4. New theory that explained behavior at the atomic level
Engine efficiency cannot be 100%
the pressure of liquids _____ when it goes faster
incoming and outgoing flow rate formula
Quantum mechanics
5. Velocity squared / radius
amplitude
Centripedal acceleration=
Equilibrium
period p of a mass m oscillating on a horizontal spring of force constant k
6. 100 -000 n/m^2
Heat
atmospheric pressure (atm)
Total momentum before collision
ultrasound
7. Heat Q= mass of sample x specific heat x temp change
Heat capacity equation
Brahe
Torque
velocity through a medium
8. P(P2-P1)D^4/128Ln n=fluid's viscosity
Momentum
pressure does what when depth is increased
Stable structures
Flow through a pipe
9. T(C) +273
Convert Celsius to Kelven
Newton's Second Law
infrasound
wavelength
10. P(P2-P1)D^4/128Ln n=fluid's viscosity
Galileo
Flow through a pipe
density of air
Rotational inertia (moment of inertia)
11. Hf
the pressure of liquids _____ when it goes faster
Photon energy
Engine efficiency
period p of a mass m oscillating on a horizontal spring of force constant k
12. 18600 miles/sec
Wavelength
Speed of light
density of air
definition of Bernoulii's equation
13. Because nothing stops it
Net force=0 net torque?0
Engine efficiency cannot be 100%
Why does something move?
Heat capacity (specific heat)
14. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
order of states of matter stronger to lesser forces between atoms
Second law of thermodynamics
Net force
Change in internal energy
15. T=2p square root m/k frequency= square root k/m;/2p
c=3x10^8 m/s
mass flow rate formula
Momentum
period p of a mass m oscillating on a horizontal spring of force constant k
16. Rod with forces applied at opposite ends in opposite directions
Newton's Second Law
entropy
The US uses how much of the total world energy consumption?
Net force=0 net torque?0
17. Kg/m^3
Thermal radiation
measure of density
Centripedal acceleration=
amplitude
18. Heat is carried from place to place by the bulk movement of either liquids or gasses
Newton
amplitude
Convection
pressure depends on
19. The center of an object
Kepler
Second law of thermodynamics
Center of gravity (CG)
Thermal conductivity
20. Force x lever arm
Convert Celsius to Fahrenheit
Torque
Weight
Frequency
21. 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)
Wave speed=
Center of gravity (CG)
measure of density
22. A disturbance that propagates through a medium
Thermal radiation
Wave speed=
infrasound
mechanical wave
23. As the speed of a moving fluid increases - the pressure within the fluid decreases
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24. The total force (positive and negative) acting upon an object
period of a pendulum T of length L
Center of gravity (CG)
Pressure=
Net force
25. 2 -700 kg/m^3
density of aluminum
Thermodynamics
Weight
c=3x10^8 m/s
26. If the CG is above the edge - the object will not fall
entropy
Buoyant force
Condition for stability
variation of pressure with depth
27. The study of heat and its transformation into mechanical energy
The US uses how much of the total world energy consumption?
frequency of light
Thermodynamics
Speed of light
28. Sounds below 30 Hz
Radiation
Momentum
infrasound
density of water
29. You can't get more work out than the energy you put in
measurement of pressure
Convection
period of a pendulum T of length L
Conservation of energy
30. It increases
density of water
pressure does what when depth is increased
pressure at depth h
Change in internal energy
31. 9/5T(C)+32
Convert Celsius to Kelven
order of states of matter stronger to lesser forces between atoms
Thermal conductivity
Convert Celsius to Fahrenheit
32. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Conduction
Newton
infrasound
atmospheric pressure (atm)
33. P + density x g h
Why does something move?
Thermodynamics
pressure at depth h
restoring force
34. The total force (positive and negative) acting upon an object
Newton
Heat
Net force
Frequency
35. New theory that explained behavior at the atomic level
Net force=0 net torque?0
Velocity=
Quantum mechanics
measure of density
36.
Conduction
Distance traveled
Torque
density of air
37. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Buoyant force
Second law of thermodynamics
The US uses how much of the total world energy consumption?
Conservation of energy
38. The sum of the energy of all the molecules in the system
azX
Physics
Internal energy
law of conservation of energy
39. Heat is transferred directly through a material with no bulk movement of material
Centripedal acceleration=
c=3x10^8 m/s
Conduction
Acceleration due to gravity on the earth
40. ?
c=3x10^8 m/s
Stable
Second law of thermodynamics
Pressure=
41. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Convert Fahrenheit to Celsius
measurement of pressure
Thermal conductivity
Heat capacity (specific heat)
42. Time required to complete one cycle
incoming and outgoing flow rate formula
Why does something move?
Power (watts)
Period
43. Maximum displacement from equilibrium
amplitude
Conservation of energy
Torque
Flow through a pipe
44. Equals total momentum after collision
Change in internal energy
Centripedal acceleration=
Stable structures
Total momentum before collision
45. Mass x gravity
Newton's Second Law
Weight
Present velocity
Stable structures
46. Pressure x area
measure of density
Heat capacity equation
velocity through a medium
Fluid force
47. V1 x A1=v2 x A2
incoming and outgoing flow rate formula
Distance traveled
Convert Celsius to Kelven
Heat
48. The total disorder of an object
entropy
Stable structures
pressure depends on
velocity through a medium
49. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
amplitude
Heat
Frequency
Einstein
50. 5/9 [T(F)-32]
Convert Fahrenheit to Celsius
restoring force
Thermal radiation
wave
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