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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. Believed that the natural state of objects was to be at rest
incoming and outgoing flow rate formula
Momentum
Aristotle
amplitude
2. Fbottom-Ftop=mg=(density x vol) x g
restoring force
variation of pressure with depth
Stable
Voltage
3. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Second law of thermodynamics
measure of density
Net force=0 net torque?0
Net force=0 net torque?0
4. Equals total momentum after collision
Heat
Total momentum before collision
variation of pressure with depth
Equilibrium
5. Time required to complete one cycle
volume fluid flow rate
Brahe
measure of density
Period
6. 2 -700 kg/m^3
density of aluminum
ultrasound
Newton
Energy of motion (kinetic energy)
7. T=2p square root m/k frequency= square root k/m;/2p
Heat capacity (specific heat)
Velocity required for an object to reach height h
period p of a mass m oscillating on a horizontal spring of force constant k
Emissive
8. 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
Acceleration due to gravity on the earth
Wave speed=
Torque
9. V x A= constant
density of air
continuity
Acceleration due to gravity on the earth
Center of gravity (CG)
10. The heat needed to raise the temperature of 1 pound of water by 1 degree F
First Law of thermodynamics
1 BTU
Galileo
Why does something move?
11. Current x resistance
Thermal conductivity
Heat
Voltage
Convert Celsius to Kelven
12. Heat into system - work done by system
Change in internal energy
Why does something move?
1 BTU
Aristotle
13. Net force=0 net torque=0
order of states of matter stronger to lesser forces between atoms
period p of a mass m oscillating on a horizontal spring of force constant k
Equilibrium
law of conservation of energy
14. The force that brings a system back to equilibrium
restoring force
volume fluid flow rate formula
atmospheric pressure (atm)
Energy of motion (kinetic energy)
15. 11 -000 kg/m^3
density of lead
Center of gravity (CG)
Velocity=
Wavelength
16. V x A= constant
Convection
Center of gravity (CG)
continuity
viscosity
17. V1 x A1=v2 x A2
incoming and outgoing flow rate formula
Physics
Convert Fahrenheit to Celsius
Frequency
18. ?
Change in internal energy
Convert Celsius to Kelven
entropy
c=3x10^8 m/s
19. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Fluid force
The US uses how much of the total world energy consumption?
1 BTU
Internal energy
20. Work done / heat in
Stable
period of a pendulum T of length L
Engine efficiency
1 BTU
21. If the CG is above the edge - the object will not fall
Condition for stability
period of a pendulum T of length L
ultrasound
Aristotle
22. Mass x gravity
The US uses how much of the total world energy consumption?
Weight
Newton's Second Law
Momentum
23. Sounds above 20 -000 Hz
Buoyant force
Why does something move?
ultrasound
Net force
24. 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
Engine efficiency
Frequency
Net force=0 net torque?0
25. 100 -000 n/m^2
atmospheric pressure (atm)
Thermal radiation
Equilibrium
Kepler
26. Kg/m^3
period of a pendulum T of length L
measure of density
incoming and outgoing flow rate formula
Heat capacity (specific heat)
27. 18600 miles/sec
Conduction
wavelength
Speed of light
Newton
28. The combination of force and point of application
Galileo
Torque
infrasound
Einstein
29. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Engine efficiency cannot be 100%
volume fluid flow rate formula
law of conservation of energy
velocity through a medium
30. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
measurement of pressure
Quantum mechanics
Convection
31. A disturbance that propagates through a medium
mechanical wave
Why does something move?
Engine efficiency cannot be 100%
law of conservation of energy
32. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Acceleration due to gravity on the earth
Why does something move?
density of water
Newton
33. The change in internal energy= the heat absorbed- the work done
frequency of light
infrasound
law of conservation of energy
pressure does what when depth is increased
34. It increases
pressure does what when depth is increased
Convert Celsius to Kelven
Condition for stability
pressure at depth h
35. 9/5T(C)+32
Flow through a pipe
Galileo
Why does something move?
Convert Celsius to Fahrenheit
36. Decreases
First Law of thermodynamics
the pressure of liquids _____ when it goes faster
amplitude
Period
37.
Energy of motion (kinetic energy)
Aristotle
entropy
Quantum mechanics
38. 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.
Engine efficiency
Torque
Heat capacity equation
Galileo
39. The total force (positive and negative) acting upon an object
Galileo
Net force
Conduction
order of states of matter stronger to lesser forces between atoms
40. Speed of light / wavelength
frequency of light
Distance traveled
azX
Net force=0 net torque?0
41. 100 -000 n/m^2
ultrasound
amplitude
infrasound
atmospheric pressure (atm)
42. Time= the square root of 2 x height / acceleration due to gravity
Convection
Time for an object thrown to reach maximum height
bernoulli's equation
variation of pressure with depth
43. Maximum displacement from equilibrium
order of states of matter stronger to lesser forces between atoms
Wave speed=
amplitude
Why does something move?
44. Heat is carried from place to place by the bulk movement of either liquids or gasses
continuity
Convection
measure of density
Projectile
45. Force x lever arm
volume fluid flow rate
Torque
Time for an object thrown to reach maximum height
Total momentum before collision
46. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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47. The level stays the same
when ice in water melts what happens?
1 BTU
Conduction
First Law of thermodynamics
48. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Torque
Frequency
Brahe
Projectile
49. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Pressure=
Momentum
The US uses how much of the total world energy consumption?
Einstein
50. Force per unit area
continuity
Conduction
Flow through a pipe
Pressure=