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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. You can't get more work out than the energy you put in
Galileo
Torque
Wavelength
Conservation of energy
2. F=mass x acceleration
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3. Heat is transferred directly through a material with no bulk movement of material
Conduction
Convert Fahrenheit to Celsius
Acceleration
Equilibrium
4. F=mass x acceleration
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5. V1 x A1=v2 x A2
density of air
Flow through a pipe
Distance traveled
incoming and outgoing flow rate formula
6. Initial velocity= the square root of 2gh
Thermodynamics
Physics
Rotational inertia (moment of inertia)
Velocity required for an object to reach height h
7. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Change in internal energy
Photon energy
volume fluid flow rate formula
bernoulli's equation
8. Sounds above 20 -000 Hz
ultrasound
Torque
Acceleration
density of lead
9. Net force=0 net torque=0
First Law of thermodynamics
Equilibrium
Quantum mechanics
viscosity
10. Length of a wave
Heat
Wave speed=
wavelength
volume fluid flow rate
11. It increases
Buoyant force
Flow through a pipe
Net force
pressure does what when depth is increased
12. New theory that explained behavior at the atomic level
Thermal radiation
Quantum mechanics
Centripedal acceleration=
Center of gravity (CG)
13. Mass x gravity
Weight
Einstein
Why does something move?
c=3x10^8 m/s
14. The force that brings a system back to equilibrium
Aristotle
Present velocity
Thermal conductivity
restoring force
15. 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
Photon energy
Voltage
mechanical wave
16. Distance traveled / time
Heat capacity equation
measure of density
Newton
Velocity=
17. 10 m/s^2
density of lead
Thermal conductivity
Acceleration due to gravity on the earth
Net force?0 net torque=0
18. Voltage / current
Resistance
Acceleration
frequency of light
Convert Fahrenheit to Celsius
19. A disturbance that propagates through a medium
Net force?0 net torque=0
Heat capacity (specific heat)
Net force=0 net torque?0
mechanical wave
20. A tendency for liquids to resist flowing.
pressure depends on
viscosity
the pressure of liquids _____ when it goes faster
order of states of matter stronger to lesser forces between atoms
21. Velocity squared / radius
Centripedal acceleration=
Heat capacity (specific heat)
c=3x10^8 m/s
Period
22. Sounds below 30 Hz
Rotational inertia (moment of inertia)
infrasound
Convert Celsius to Fahrenheit
volume fluid flow rate
23. You cant get as much out as you put in
bernoulli's equation
Engine efficiency cannot be 100%
Present velocity
Net force=0 net torque?0
24. If the CG is above the edge - the object will not fall
Condition for stability
Net force?0 net torque=0
Second law of thermodynamics
Equilibrium
25. The heat transfer by electromagnetic waves - thermal light waves
measurement of pressure
pressure does what when depth is increased
Emissive
Radiation
26. 18600 miles/sec
c=3x10^8 m/s
Speed of light
Velocity=
Radiation
27. The sum of the energy of all the molecules in the system
Total momentum before collision
Convert Celsius to Kelven
Internal energy
Conservation of energy
28. How much torque it takes to get an object rotating
Velocity required for an object to reach height h
Rotational inertia (moment of inertia)
Wave speed=
entropy
29. The total force (positive and negative) acting upon an object
Buoyant force
Conduction
Acceleration due to gravity on the earth
Net force
30.
mechanical wave
amplitude
Distance traveled
Torque
31. Heat Q= mass of sample x specific heat x temp change
Convert Celsius to Kelven
Wave speed=
variation of pressure with depth
Heat capacity equation
32. Believed that the natural state of objects was to be at rest
Net force=0 net torque?0
Period
Convert Celsius to Fahrenheit
Aristotle
33. V1 x A1=v2 x A2
incoming and outgoing flow rate formula
Net force=0 net torque?0
when ice in water melts what happens?
Torque
34. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Convection
Buoyant force
atmospheric pressure (atm)
Fluid force
35. C / f
Wavelength
Resistance
Radiation
Heat capacity (specific heat)
36. The total disorder of an object
entropy
Conduction
Weight
Stable
37. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
the pressure of liquids _____ when it goes faster
volume fluid flow rate
Total momentum before collision
order of states of matter stronger to lesser forces between atoms
38. Rod with forces applied at opposite ends in the same direction
First Law of thermodynamics
Distance traveled
Fluid force
Net force?0 net torque=0
39. T^4
variation of pressure with depth
Pressure=
Present velocity
Thermal radiation
40. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
infrasound
Brahe
Flow through a pipe
Fluid force
41. The level stays the same
Projectile
when ice in water melts what happens?
Conservation of energy
Mechanics
42. 5/9 [T(F)-32]
Convert Fahrenheit to Celsius
1 BTU
Velocity required for an object to reach height h
Stable
43. ?
Heat
c=3x10^8 m/s
mechanical wave
restoring force
44. 10 m/s^2
law of conservation of energy
Acceleration due to gravity on the earth
Kepler
Center of gravity (CG)
45. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Total momentum before collision
Acceleration
Stable structures
Einstein
46. Pascal (Pa) or pounds per square inch (psi)
Resistance
measurement of pressure
Acceleration due to gravity on the earth
continuity
47. 1 -000 kg/m^3
period p of a mass m oscillating on a horizontal spring of force constant k
amplitude
density of water
Torque
48. 2 -700 kg/m^3
wave
static fluid formula
density of aluminum
ultrasound
49. The total force (positive and negative) acting upon an object
mass flow rate formula
Distance traveled
Net force
Projectile
50. How much torque it takes to get an object rotating
Frequency
when ice in water melts what happens?
Galileo
Rotational inertia (moment of inertia)