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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. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Brahe
Einstein
measure of density
Heat capacity equation
2. Number density x temperature
restoring force
wavelength
Newton's Second Law
pressure depends on
3. ?
Heat
density of air
wavelength
c=3x10^8 m/s
4. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
ultrasound
c=3x10^8 m/s
Newton
density of lead
5. Solids - liquids - gases
order of states of matter stronger to lesser forces between atoms
atmospheric pressure (atm)
Aristotle
Heat capacity equation
6. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
Buoyant force
Convert Celsius to Fahrenheit
volume fluid flow rate
Heat
7. The total force (positive and negative) acting upon an object
amplitude
pressure depends on
Internal energy
Net force
8. 9/5T(C)+32
Convert Celsius to Fahrenheit
entropy
Acceleration
density of lead
9. Pascal (Pa) or pounds per square inch (psi)
First Law of thermodynamics
Total momentum before collision
measurement of pressure
Fluid force
10. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Einstein
order of states of matter stronger to lesser forces between atoms
variation of pressure with depth
Heat capacity (specific heat)
11. The sum of the energy of all the molecules in the system
Velocity=
Internal energy
static fluid formula
Why does something move?
12. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Change in internal energy
Pressure=
mechanical wave
1 BTU
13. Time required to complete one cycle
Period
Engine efficiency cannot be 100%
amplitude
Physics
14. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Net force=0 net torque?0
Brahe
period p of a mass m oscillating on a horizontal spring of force constant k
Velocity=
15. The effectiveness of a material in conducting heat
Projectile
measure of density
Thermal conductivity
pressure at depth h
16. Heat is transferred directly through a material with no bulk movement of material
Total momentum before collision
Conduction
incoming and outgoing flow rate formula
Convert Celsius to Fahrenheit
17. The combination of force and point of application
Mechanics
variation of pressure with depth
Galileo
Torque
18. Fbottom=Ftop+mg where mg is the weight of the volume
Einstein
Newton's Second Law
Net force?0 net torque=0
static fluid formula
19. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
measurement of pressure
Heat
volume fluid flow rate formula
Galileo
20. Equals total momentum after collision
Total momentum before collision
Wavelength
Thermal conductivity
The US uses how much of the total world energy consumption?
21. Voltage / current
Galileo
Resistance
Why does something move?
Thermal radiation
22. Current x resistance
Voltage
Wavelength
Frequency
Flow through a pipe
23. The heat transfer by electromagnetic waves - thermal light waves
Radiation
Energy of motion (kinetic energy)
Velocity=
Engine efficiency
24. 10 m/s^2
The US uses how much of the total world energy consumption?
measure of density
Wavelength
Acceleration due to gravity on the earth
25. If the CG is above the edge - the object will not fall
Newton
Torque
Condition for stability
Heat
26. The heat transfer by electromagnetic waves - thermal light waves
Radiation
density of air
frequency of light
bernoulli's equation
27. Equals total momentum after collision
Total momentum before collision
frequency of light
definition of Bernoulii's equation
wavelength
28. 25%
Wave speed=
density of air
The US uses how much of the total world energy consumption?
Quantum mechanics
29. 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.
Galileo
bernoulli's equation
Thermal radiation
Net force?0 net torque=0
30. Time= the square root of 2 x height / acceleration due to gravity
viscosity
Time for an object thrown to reach maximum height
Conduction
restoring force
31. Change in velocity / time
Convert Celsius to Fahrenheit
Resistance
Heat capacity (specific heat)
Acceleration
32. Sounds above 20 -000 Hz
ultrasound
density of lead
Velocity=
Convert Celsius to Fahrenheit
33. P(P2-P1)D^4/128Ln n=fluid's viscosity
1 BTU
Distance traveled
Flow through a pipe
Photon energy
34. The effectiveness of a material in conducting heat
Thermal conductivity
Wave speed=
Second law of thermodynamics
Pressure=
35. Rod with forces applied at opposite ends in opposite directions
Net force=0 net torque?0
variation of pressure with depth
Thermodynamics
Speed of light
36. You can't get more work out than the energy you put in
Conservation of energy
Galileo
Convert Celsius to Fahrenheit
Convert Fahrenheit to Celsius
37. Pressure x area
Stable structures
Fluid force
Mechanics
Heat capacity equation
38. A disturbance that propagates through a medium
Mechanics
Radiation
mechanical wave
Thermal conductivity
39. Maximum displacement from equilibrium
the pressure of liquids _____ when it goes faster
Why does something move?
amplitude
Equilibrium
40. It increases
Power (watts)
Net force?0 net torque=0
pressure does what when depth is increased
viscosity
41. A disturbance that moves through something
density of lead
Center of gravity (CG)
Kepler
wave
42. New theory that explained behavior at the atomic level
Brahe
Quantum mechanics
viscosity
variation of pressure with depth
43. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Total momentum before collision
volume fluid flow rate formula
Einstein
Heat capacity (specific heat)
44. 100 -000 n/m^2
frequency of light
Engine efficiency
atmospheric pressure (atm)
Physics
45. Heat into system - work done by system
Pressure=
measure of density
Change in internal energy
Mechanics
46. 2p x square root L/g
Condition for stability
ultrasound
Fluid force
period of a pendulum T of length L
47. The center of an object
infrasound
Center of gravity (CG)
Velocity required for an object to reach height h
Einstein
48. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Brahe
The US uses how much of the total world energy consumption?
Kepler
Buoyant force
49. Why things move
Internal energy
entropy
Projectile
Mechanics
50. C/n
velocity through a medium
Voltage
Energy of motion (kinetic energy)
measurement of pressure