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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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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. 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.
Conduction
Thermodynamics
Second law of thermodynamics
First Law of thermodynamics
2. Pascal (Pa) or pounds per square inch (psi)
Galileo
Time for an object thrown to reach maximum height
measurement of pressure
Convert Celsius to Kelven
3. 1 / period (time)
Frequency
viscosity
Equilibrium
Conservation of energy
4. Force x lever arm
amplitude
definition of Bernoulii's equation
Frequency
Torque
5. Not easy to knock over
restoring force
mechanical wave
Stable
Convection
6. Maximum displacement from equilibrium
Physics
Buoyant force
Stable structures
amplitude
7. The total disorder of an object
entropy
Torque
Heat capacity equation
amplitude
8. Pressure x area
Fluid force
static fluid formula
Torque
period p of a mass m oscillating on a horizontal spring of force constant k
9. Z+n
Net force=0 net torque?0
Present velocity
pressure depends on
azX
10. Mass x gravity
Weight
restoring force
Velocity=
Thermal conductivity
11. 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.
Physics
Engine efficiency
Galileo
Power (watts)
12. T=2p square root m/k frequency= square root k/m;/2p
bernoulli's equation
Acceleration
period p of a mass m oscillating on a horizontal spring of force constant k
The US uses how much of the total world energy consumption?
13. 1 -000 kg/m^3
pressure depends on
Weight
Engine efficiency
density of water
14. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Heat
Kepler
Frequency
Physics
15.
Convert Celsius to Fahrenheit
law of conservation of energy
Rotational inertia (moment of inertia)
Energy of motion (kinetic energy)
16. 10 m/s^2
Engine efficiency cannot be 100%
order of states of matter stronger to lesser forces between atoms
entropy
Acceleration due to gravity on the earth
17. Time= the square root of 2 x height / acceleration due to gravity
Quantum mechanics
Time for an object thrown to reach maximum height
Weight
viscosity
18. V x A= constant
continuity
infrasound
Conservation of energy
Present velocity
19. Rod with forces applied at opposite ends in opposite directions
Second law of thermodynamics
Net force=0 net torque?0
definition of Bernoulii's equation
Stable
20. 1.25 kg/m^3
Newton's Second Law
measure of density
density of air
continuity
21. Velocity squared / radius
Conservation of energy
Centripedal acceleration=
Engine efficiency
Acceleration
22. Because nothing stops it
Why does something move?
infrasound
continuity
Frequency
23. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
viscosity
Voltage
Thermal conductivity
24. Number density x temperature
Conduction
pressure depends on
Velocity=
Heat
25. Net force=0 net torque=0
The US uses how much of the total world energy consumption?
Buoyant force
Frequency
Equilibrium
26. P(P2-P1)D^4/128Ln n=fluid's viscosity
viscosity
Flow through a pipe
Wavelength
wave
27. An object that is thrown or struck or shot and then travels under the influence of gravity
Energy of motion (kinetic energy)
Einstein
Projectile
Aristotle
28. The sum of the energy of all the molecules in the system
Newton
mass flow rate formula
Heat
Internal energy
29. T(C) +273
frequency of light
Convert Celsius to Kelven
Frequency
Quantum mechanics
30. The change in internal energy= the heat absorbed- the work done
Brahe
measurement of pressure
law of conservation of energy
Acceleration due to gravity on the earth
31. A tendency for liquids to resist flowing.
Convert Fahrenheit to Celsius
entropy
viscosity
Mechanics
32. Pascal (Pa) or pounds per square inch (psi)
Projectile
Heat capacity (specific heat)
Quantum mechanics
measurement of pressure
33. Change in velocity / time
Second law of thermodynamics
the pressure of liquids _____ when it goes faster
Acceleration
Physics
34. The combination of force and point of application
measurement of pressure
Torque
density of water
Newton's Second Law
35. Initial velocity = acceleration x time
period p of a mass m oscillating on a horizontal spring of force constant k
when ice in water melts what happens?
amplitude
Present velocity
36. The effectiveness of a material in conducting heat
Acceleration due to gravity on the earth
Torque
when ice in water melts what happens?
Thermal conductivity
37. As the speed of a moving fluid increases - the pressure within the fluid decreases
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38. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Brahe
Net force=0 net torque?0
Stable structures
Heat
39. C/n
wave
Change in internal energy
velocity through a medium
Newton
40. 100 -000 n/m^2
definition of Bernoulii's equation
ultrasound
atmospheric pressure (atm)
period p of a mass m oscillating on a horizontal spring of force constant k
41. Believed that the natural state of objects was to be at rest
Aristotle
amplitude
Velocity=
Brahe
42. Fbottom=Ftop+mg where mg is the weight of the volume
Time for an object thrown to reach maximum height
Einstein
Radiation
static fluid formula
43. Force per unit area
viscosity
Net force?0 net torque=0
Aristotle
Pressure=
44. 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
Radiation
measurement of pressure
continuity
45. The center of an object
ultrasound
Weight
Thermodynamics
Center of gravity (CG)
46. Work done / heat in
1 BTU
Convert Fahrenheit to Celsius
Pressure=
Engine efficiency
47. C / f
Wavelength
variation of pressure with depth
Heat capacity (specific heat)
Galileo
48. Mass x gravity
Weight
Brahe
Heat capacity (specific heat)
First Law of thermodynamics
49. A disturbance that propagates through a medium
Fluid force
frequency of light
mechanical wave
Torque
50. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Galileo
Second law of thermodynamics
period p of a mass m oscillating on a horizontal spring of force constant k
atmospheric pressure (atm)
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