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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 x lever arm
Galileo
Second law of thermodynamics
entropy
Torque
2. Are wider at the base (which lowers their center of gravity)
Stable structures
Projectile
mass flow rate formula
Radiation
3. Equals total momentum after collision
mechanical wave
Flow through a pipe
Total momentum before collision
law of conservation of energy
4. The level stays the same
Velocity=
Distance traveled
when ice in water melts what happens?
Photon energy
5. 18600 miles/sec
Speed of light
static fluid formula
Power (watts)
Brahe
6. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
velocity through a medium
density of water
Net force=0 net torque?0
7. Speed of light / wavelength
Heat
Velocity required for an object to reach height h
Photon energy
frequency of light
8. T=2p square root m/k frequency= square root k/m;/2p
static fluid formula
Wave speed=
period p of a mass m oscillating on a horizontal spring of force constant k
Energy of motion (kinetic energy)
9. Hf
Photon energy
density of lead
Convert Celsius to Kelven
Einstein
10. Maximum displacement from equilibrium
Convection
Fluid force
measure of density
amplitude
11. Because nothing stops it
Thermal conductivity
Einstein
viscosity
Why does something move?
12. Sounds above 20 -000 Hz
density of water
ultrasound
density of air
variation of pressure with depth
13. P x u x A
mass flow rate formula
pressure depends on
Why does something move?
Change in internal energy
14. Velocity squared / radius
order of states of matter stronger to lesser forces between atoms
Centripedal acceleration=
Engine efficiency
Rotational inertia (moment of inertia)
15. Pressure x area
pressure depends on
Period
Kepler
Fluid force
16. Heat is transferred directly through a material with no bulk movement of material
density of aluminum
Conduction
Time for an object thrown to reach maximum height
Stable structures
17. V x A= constant
Time for an object thrown to reach maximum height
Thermal radiation
volume fluid flow rate
continuity
18. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
velocity through a medium
Einstein
volume fluid flow rate
Voltage
19. Mass x gravity
Weight
Mechanics
Equilibrium
Thermal radiation
20. Solids - liquids - gases
Centripedal acceleration=
Speed of light
Heat
order of states of matter stronger to lesser forces between atoms
21. C / f
infrasound
Wavelength
Brahe
Emissive
22. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Engine efficiency cannot be 100%
frequency of light
Condition for stability
Second law of thermodynamics
23. Work done / heat in
Engine efficiency
Resistance
Newton
Equilibrium
24. A disturbance that propagates through a medium
density of lead
measure of density
continuity
mechanical wave
25. T(C) +273
Wavelength
Convert Celsius to Kelven
ultrasound
wavelength
26. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Convert Celsius to Kelven
Newton
density of lead
pressure at depth h
27. Velocity squared / radius
order of states of matter stronger to lesser forces between atoms
Convert Celsius to Fahrenheit
Centripedal acceleration=
Power (watts)
28. Decreases
Center of gravity (CG)
Engine efficiency
Radiation
the pressure of liquids _____ when it goes faster
29. Current x voltage energy/time (joules per second)
Newton's Second Law
infrasound
Power (watts)
The US uses how much of the total world energy consumption?
30. Distance traveled / time
Velocity=
Heat capacity equation
Velocity required for an object to reach height h
order of states of matter stronger to lesser forces between atoms
31. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Engine efficiency
Acceleration due to gravity on the earth
volume fluid flow rate formula
order of states of matter stronger to lesser forces between atoms
32. As the speed of a moving fluid increases - the pressure within the fluid decreases
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33. 9/5T(C)+32
incoming and outgoing flow rate formula
Convert Celsius to Fahrenheit
Distance traveled
Second law of thermodynamics
34. Believed that the natural state of objects was to be at rest
when ice in water melts what happens?
Physics
Aristotle
infrasound
35. Initial velocity = acceleration x time
wavelength
Acceleration
Present velocity
Quantum mechanics
36. 1 -000 kg/m^3
restoring force
density of water
mass flow rate formula
Pressure=
37. Change in velocity / time
Acceleration
Wave speed=
period p of a mass m oscillating on a horizontal spring of force constant k
variation of pressure with depth
38. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
volume fluid flow rate
First Law of thermodynamics
Heat capacity (specific heat)
wavelength
39. Time required to complete one cycle
Change in internal energy
Period
Convert Celsius to Kelven
when ice in water melts what happens?
40. P + density x g h
Mechanics
measure of density
Frequency
pressure at depth h
41. 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.
pressure does what when depth is increased
Galileo
continuity
Momentum
42. The energy that flows from one system to another because of their temperature difference.
Net force=0 net torque?0
Heat
definition of Bernoulii's equation
Power (watts)
43. An object that is thrown or struck or shot and then travels under the influence of gravity
pressure depends on
Change in internal energy
Projectile
amplitude
44. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
atmospheric pressure (atm)
Wave speed=
definition of Bernoulii's equation
Heat capacity (specific heat)
45. Change in velocity / time
Acceleration
Conduction
Flow through a pipe
wave
46. Rod with forces applied at opposite ends in opposite directions
Net force=0 net torque?0
Physics
the pressure of liquids _____ when it goes faster
Newton
47. 10 m/s^2
Frequency
Acceleration due to gravity on the earth
Convert Celsius to Kelven
Period
48. Voltage / current
Resistance
Thermodynamics
mechanical wave
law of conservation of energy
49. 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.
continuity
density of aluminum
First Law of thermodynamics
The US uses how much of the total world energy consumption?
50. If the CG is above the edge - the object will not fall
period of a pendulum T of length L
Heat capacity equation
Condition for stability
law of conservation of energy