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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. The study of heat and its transformation into mechanical energy
restoring force
Thermodynamics
period of a pendulum T of length L
Physics
2. P(P2-P1)D^4/128Ln n=fluid's viscosity
pressure at depth h
Velocity required for an object to reach height h
ultrasound
Flow through a pipe
3. Kg/m^3
wavelength
Convert Celsius to Kelven
Centripedal acceleration=
measure of density
4. 1 -000 kg/m^3
mass flow rate formula
density of water
Convert Celsius to Kelven
period p of a mass m oscillating on a horizontal spring of force constant k
5. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Brahe
Acceleration due to gravity on the earth
Convert Celsius to Fahrenheit
volume fluid flow rate formula
6. Fbottom-Ftop=mg=(density x vol) x g
Net force=0 net torque?0
mechanical wave
variation of pressure with depth
First Law of thermodynamics
7. T=2p square root m/k frequency= square root k/m;/2p
Quantum mechanics
period p of a mass m oscillating on a horizontal spring of force constant k
mechanical wave
definition of Bernoulii's equation
8. Heat is transferred directly through a material with no bulk movement of material
Conduction
density of water
Pressure=
Engine efficiency
9. 100 -000 n/m^2
Photon energy
atmospheric pressure (atm)
order of states of matter stronger to lesser forces between atoms
Net force=0 net torque?0
10. A disturbance that propagates through a medium
Change in internal energy
Present velocity
Frequency
mechanical wave
11. If the CG is above the edge - the object will not fall
measurement of pressure
Condition for stability
Mechanics
Stable
12. Heat into system - work done by system
period p of a mass m oscillating on a horizontal spring of force constant k
Weight
c=3x10^8 m/s
Change in internal energy
13. You can't get more work out than the energy you put in
Conservation of energy
Fluid force
Momentum
amplitude
14. Distance traveled / time
Thermodynamics
velocity through a medium
Velocity=
Present velocity
15. The heat transfer by electromagnetic waves - thermal light waves
Torque
Radiation
Distance traveled
Emissive
16. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
entropy
mass flow rate formula
Energy of motion (kinetic energy)
Heat capacity (specific heat)
17. The combination of force and point of application
Time for an object thrown to reach maximum height
Net force=0 net torque?0
wavelength
Torque
18. Weight of displaced water=volume of displaced water in liters x 10 n / liter
azX
Energy of motion (kinetic energy)
Thermal radiation
Buoyant force
19. V x A= constant
continuity
Net force
Power (watts)
Physics
20. How much torque it takes to get an object rotating
First Law of thermodynamics
Velocity=
measure of density
Rotational inertia (moment of inertia)
21. P + density x g h
pressure at depth h
Resistance
Heat
density of lead
22. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
pressure at depth h
continuity
Einstein
incoming and outgoing flow rate formula
23. Voltage / current
Resistance
Frequency
Period
definition of Bernoulii's equation
24. T(C) +273
Momentum
when ice in water melts what happens?
Photon energy
Convert Celsius to Kelven
25. The combination of force and point of application
Photon energy
mechanical wave
Net force=0 net torque?0
Torque
26. Wavelength x frequency
Wave speed=
Engine efficiency cannot be 100%
Heat capacity (specific heat)
Torque
27. Velocity squared / radius
frequency of light
Photon energy
Centripedal acceleration=
Period
28. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Resistance
density of lead
Net force?0 net torque=0
1 BTU
29. Heat is carried from place to place by the bulk movement of either liquids or gasses
Convection
pressure at depth h
The US uses how much of the total world energy consumption?
continuity
30. P x u x A
measure of density
Power (watts)
mass flow rate formula
Quantum mechanics
31. A tendency for liquids to resist flowing.
Emissive
Newton's Second Law
Change in internal energy
viscosity
32. 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.
Quantum mechanics
Newton
Galileo
measure of density
33. Mass x gravity
Frequency
Weight
Emissive
Centripedal acceleration=
34.
variation of pressure with depth
Newton's Second Law
Distance traveled
Net force
35. A tendency for liquids to resist flowing.
Velocity=
Period
Newton
viscosity
36. Time= the square root of 2 x height / acceleration due to gravity
pressure at depth h
Time for an object thrown to reach maximum height
Convert Fahrenheit to Celsius
Heat capacity (specific heat)
37. You cant get as much out as you put in
Emissive
Center of gravity (CG)
Heat
Engine efficiency cannot be 100%
38. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Quantum mechanics
Radiation
Brahe
Heat capacity (specific heat)
39. Current x voltage energy/time (joules per second)
frequency of light
Present velocity
Projectile
Power (watts)
40. Because nothing stops it
definition of Bernoulii's equation
Why does something move?
Weight
First Law of thermodynamics
41. You cant get as much out as you put in
Energy of motion (kinetic energy)
Engine efficiency cannot be 100%
Stable structures
azX
42.
pressure does what when depth is increased
Buoyant force
Energy of motion (kinetic energy)
ultrasound
43. Initial velocity= the square root of 2gh
order of states of matter stronger to lesser forces between atoms
Velocity required for an object to reach height h
Present velocity
when ice in water melts what happens?
44. New theory that explained behavior at the atomic level
Momentum
Quantum mechanics
pressure at depth h
volume fluid flow rate formula
45. 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
ultrasound
Resistance
1 BTU
46. Maximum displacement from equilibrium
1 BTU
pressure at depth h
amplitude
The US uses how much of the total world energy consumption?
47. An object that is thrown or struck or shot and then travels under the influence of gravity
1 BTU
Heat
period p of a mass m oscillating on a horizontal spring of force constant k
Projectile
48. Why things move
Flow through a pipe
Engine efficiency
Internal energy
Mechanics
49. Time= the square root of 2 x height / acceleration due to gravity
density of aluminum
Flow through a pipe
Time for an object thrown to reach maximum height
Acceleration due to gravity on the earth
50. Number density x temperature
pressure depends on
continuity
Net force?0 net torque=0
period of a pendulum T of length L