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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. Force per unit area
Heat capacity equation
Torque
Velocity=
Pressure=
2. 11 -000 kg/m^3
Second law of thermodynamics
mechanical wave
Condition for stability
density of lead
3. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Einstein
the pressure of liquids _____ when it goes faster
order of states of matter stronger to lesser forces between atoms
Total momentum before collision
4. P(P2-P1)D^4/128Ln n=fluid's viscosity
Energy of motion (kinetic energy)
Net force?0 net torque=0
Flow through a pipe
Rotational inertia (moment of inertia)
5. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
density of water
Kepler
density of air
Present velocity
6. 100 -000 n/m^2
period p of a mass m oscillating on a horizontal spring of force constant k
atmospheric pressure (atm)
Change in internal energy
Pressure=
7. 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
density of aluminum
period p of a mass m oscillating on a horizontal spring of force constant k
Distance traveled
8. Heat into system - work done by system
Change in internal energy
density of aluminum
Flow through a pipe
Conduction
9. Decreases
the pressure of liquids _____ when it goes faster
amplitude
Engine efficiency
First Law of thermodynamics
10. A disturbance that propagates through a medium
restoring force
mechanical wave
amplitude
bernoulli's equation
11.
frequency of light
Net force?0 net torque=0
Pressure=
Energy of motion (kinetic energy)
12. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
restoring force
Convert Fahrenheit to Celsius
Why does something move?
13. Force x lever arm
infrasound
viscosity
Torque
Newton's Second Law
14. T(C) +273
Wavelength
Convert Celsius to Kelven
measurement of pressure
Power (watts)
15. P + density x g h
Kepler
density of water
pressure at depth h
Acceleration
16. You can't get more work out than the energy you put in
Aristotle
Present velocity
incoming and outgoing flow rate formula
Conservation of energy
17. 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.
Rotational inertia (moment of inertia)
Thermal conductivity
Net force=0 net torque?0
Emissive
18. An object that is thrown or struck or shot and then travels under the influence of gravity
Rotational inertia (moment of inertia)
Projectile
infrasound
bernoulli's equation
19. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
definition of Bernoulii's equation
frequency of light
Velocity=
20. P(P2-P1)D^4/128Ln n=fluid's viscosity
Weight
Flow through a pipe
Quantum mechanics
Power (watts)
21. Mass x specific heat x temperature change
Engine efficiency
Heat
Acceleration due to gravity on the earth
pressure does what when depth is increased
22. New theory that explained behavior at the atomic level
Mechanics
Quantum mechanics
Acceleration due to gravity on the earth
entropy
23. Heat Q= mass of sample x specific heat x temp change
ultrasound
order of states of matter stronger to lesser forces between atoms
Mechanics
Heat capacity equation
24. Kg/m^3
measure of density
Center of gravity (CG)
pressure depends on
Torque
25. If the CG is above the edge - the object will not fall
azX
Condition for stability
frequency of light
Newton
26. 1 / period (time)
density of aluminum
Einstein
Frequency
velocity through a medium
27. Heat is transferred directly through a material with no bulk movement of material
viscosity
Present velocity
Condition for stability
Conduction
28. 18600 miles/sec
bernoulli's equation
Speed of light
wave
Galileo
29. Current x resistance
Stable
Newton
pressure depends on
Voltage
30. The center of an object
Projectile
Center of gravity (CG)
Thermodynamics
Net force?0 net torque=0
31. The heat needed to raise the temperature of 1 pound of water by 1 degree F
variation of pressure with depth
definition of Bernoulii's equation
1 BTU
Wave speed=
32. A disturbance that moves through something
wave
mechanical wave
Flow through a pipe
amplitude
33. A tendency for liquids to resist flowing.
viscosity
Net force
static fluid formula
Internal energy
34. Fbottom-Ftop=mg=(density x vol) x g
Mechanics
measurement of pressure
variation of pressure with depth
Rotational inertia (moment of inertia)
35. 11 -000 kg/m^3
Net force?0 net torque=0
Equilibrium
mass flow rate formula
density of lead
36. C/n
continuity
velocity through a medium
Kepler
Newton's Second Law
37.
period of a pendulum T of length L
Energy of motion (kinetic energy)
restoring force
Heat
38. Time required to complete one cycle
Acceleration due to gravity on the earth
pressure does what when depth is increased
Period
Net force=0 net torque?0
39. Pascal (Pa) or pounds per square inch (psi)
First Law of thermodynamics
Pressure=
Conservation of energy
measurement of pressure
40. Speed of light / wavelength
Time for an object thrown to reach maximum height
Condition for stability
frequency of light
1 BTU
41. Solids - liquids - gases
order of states of matter stronger to lesser forces between atoms
Stable
Thermal conductivity
Convert Fahrenheit to Celsius
42. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
pressure does what when depth is increased
Brahe
Engine efficiency cannot be 100%
wavelength
43. Force per unit area
Pressure=
Engine efficiency cannot be 100%
Energy of motion (kinetic energy)
law of conservation of energy
44. The center of an object
Center of gravity (CG)
mass flow rate formula
Fluid force
Thermodynamics
45. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
static fluid formula
mass flow rate formula
Brahe
46. Current x resistance
Power (watts)
ultrasound
Distance traveled
Voltage
47. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Acceleration
Newton
pressure at depth h
Frequency
48. Change in velocity / time
Acceleration
mechanical wave
period p of a mass m oscillating on a horizontal spring of force constant k
Net force
49. 5/9 [T(F)-32]
Convert Fahrenheit to Celsius
Heat capacity (specific heat)
Rotational inertia (moment of inertia)
Center of gravity (CG)
50. 2p x square root L/g
period of a pendulum T of length L
Change in internal energy
Stable structures
Emissive