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Test your basic knowledge |
Everyday Physics
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Subjects
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science
,
literacy
Instructions:
Answer 50 questions in 15 minutes.
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study here
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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. Z+n
law of conservation of energy
Rotational inertia (moment of inertia)
azX
Voltage
2. Believed that the natural state of objects was to be at rest
Velocity required for an object to reach height h
period p of a mass m oscillating on a horizontal spring of force constant k
Aristotle
restoring force
3. Pressure x area
Time for an object thrown to reach maximum height
Fluid force
Conservation of energy
atmospheric pressure (atm)
4. Weight of displaced water=volume of displaced water in liters x 10 n / liter
continuity
Buoyant force
frequency of light
when ice in water melts what happens?
5. Force per unit area
density of water
Center of gravity (CG)
Physics
Pressure=
6. Distance traveled / time
amplitude
Brahe
Present velocity
Velocity=
7. Equals total momentum after collision
Internal energy
Total momentum before collision
measurement of pressure
infrasound
8. Current x resistance
Voltage
Radiation
pressure does what when depth is increased
volume fluid flow rate formula
9. 5/9 [T(F)-32]
density of aluminum
Conduction
Convert Fahrenheit to Celsius
Heat
10. Change in velocity / time
Thermal conductivity
Acceleration
Buoyant force
density of water
11. V1 x A1=v2 x A2
Acceleration due to gravity on the earth
Projectile
incoming and outgoing flow rate formula
Physics
12. If the CG is above the edge - the object will not fall
Physics
Condition for stability
wave
Photon energy
13. Believed that the natural state of objects was to be at rest
wavelength
Change in internal energy
Fluid force
Aristotle
14. Length of a wave
Conduction
wavelength
Newton
Power (watts)
15. Hf
measurement of pressure
Photon energy
Period
Net force=0 net torque?0
16. Fbottom=Ftop+mg where mg is the weight of the volume
volume fluid flow rate formula
Convert Celsius to Kelven
Velocity required for an object to reach height h
static fluid formula
17. The sum of the energy of all the molecules in the system
Energy of motion (kinetic energy)
Convert Celsius to Fahrenheit
Brahe
Internal energy
18. A disturbance that propagates through a medium
Kepler
Convert Fahrenheit to Celsius
Convection
mechanical wave
19. Rod with forces applied at opposite ends in opposite directions
Heat
Conduction
variation of pressure with depth
Net force=0 net torque?0
20. Solids - liquids - gases
order of states of matter stronger to lesser forces between atoms
Conservation of energy
Brahe
variation of pressure with depth
21. Maximum displacement from equilibrium
amplitude
Second law of thermodynamics
Convert Celsius to Fahrenheit
continuity
22. A disturbance that moves through something
the pressure of liquids _____ when it goes faster
wave
Convert Celsius to Fahrenheit
Projectile
23. Force x lever arm
Kepler
Torque
Rotational inertia (moment of inertia)
Quantum mechanics
24. Force per unit area
density of water
Pressure=
Momentum
Present velocity
25. A disturbance that moves through something
when ice in water melts what happens?
wave
Net force=0 net torque?0
Rotational inertia (moment of inertia)
26. Rod with forces applied at opposite ends in opposite directions
entropy
Internal energy
Total momentum before collision
Net force=0 net torque?0
27. Mass x velocity
Momentum
Energy of motion (kinetic energy)
Newton's Second Law
Fluid force
28. Velocity squared / radius
order of states of matter stronger to lesser forces between atoms
Centripedal acceleration=
Thermodynamics
restoring force
29. Initial velocity = acceleration x time
Wave speed=
Why does something move?
Present velocity
definition of Bernoulii's equation
30. T(C) +273
Fluid force
Heat capacity equation
Convert Celsius to Kelven
Newton
31. 9/5T(C)+32
mass flow rate formula
Convert Celsius to Fahrenheit
amplitude
1 BTU
32. You can't get more work out than the energy you put in
Conservation of energy
azX
density of water
amplitude
33. The efficiency with which an object emits thermal radiation. Is a number between 0 and 1. A good emitter has an e close to 1.
Emissive
Projectile
period of a pendulum T of length L
Convert Celsius to Fahrenheit
34. P(P2-P1)D^4/128Ln n=fluid's viscosity
pressure at depth h
Convert Celsius to Kelven
Aristotle
Flow through a pipe
35. Velocity squared / radius
Resistance
Centripedal acceleration=
pressure at depth h
Wave speed=
36. Time= the square root of 2 x height / acceleration due to gravity
Time for an object thrown to reach maximum height
Present velocity
Stable
Change in internal energy
37. 25%
The US uses how much of the total world energy consumption?
Brahe
Kepler
Momentum
38. An object that is thrown or struck or shot and then travels under the influence of gravity
Convert Celsius to Fahrenheit
Projectile
Newton's Second Law
Fluid force
39. How much torque it takes to get an object rotating
Speed of light
atmospheric pressure (atm)
Rotational inertia (moment of inertia)
Period
40. Distance traveled / time
the pressure of liquids _____ when it goes faster
Velocity=
Change in internal energy
volume fluid flow rate
41. Kg/m^3
measure of density
Wavelength
amplitude
Flow through a pipe
42. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
Time for an object thrown to reach maximum height
when ice in water melts what happens?
Weight
volume fluid flow rate
43. 1 / period (time)
Voltage
Frequency
Internal energy
Einstein
44. Because nothing stops it
Quantum mechanics
when ice in water melts what happens?
Equilibrium
Why does something move?
45. 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.
Engine efficiency cannot be 100%
Change in internal energy
Convert Celsius to Fahrenheit
First Law of thermodynamics
46. Wavelength x frequency
Wave speed=
mechanical wave
Stable structures
Condition for stability
47. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Frequency
Newton
continuity
mass flow rate formula
48. You can't get more work out than the energy you put in
Conservation of energy
law of conservation of energy
measurement of pressure
Fluid force
49. V1 x A1=v2 x A2
Heat
Stable
incoming and outgoing flow rate formula
Second law of thermodynamics
50. T=2p square root m/k frequency= square root k/m;/2p
density of water
Distance traveled
Stable structures
period p of a mass m oscillating on a horizontal spring of force constant k
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