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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 sum of the energy of all the molecules in the system
Frequency
The US uses how much of the total world energy consumption?
Internal energy
Net force?0 net torque=0
2. 100 -000 n/m^2
atmospheric pressure (atm)
Flow through a pipe
Time for an object thrown to reach maximum height
Net force?0 net torque=0
3. Decreases
the pressure of liquids _____ when it goes faster
Wavelength
Heat
Rotational inertia (moment of inertia)
4. Initial velocity = acceleration x time
Velocity=
Engine efficiency
Present velocity
azX
5. Are wider at the base (which lowers their center of gravity)
Stable structures
Engine efficiency
Aristotle
Heat
6. 25%
Present velocity
Resistance
Present velocity
The US uses how much of the total world energy consumption?
7. A tendency for liquids to resist flowing.
First Law of thermodynamics
Acceleration
viscosity
pressure depends on
8. V x A= constant
Heat capacity equation
mass flow rate formula
Velocity=
continuity
9. Time= the square root of 2 x height / acceleration due to gravity
viscosity
Time for an object thrown to reach maximum height
pressure depends on
order of states of matter stronger to lesser forces between atoms
10. 1 / period (time)
Buoyant force
Frequency
Galileo
Stable structures
11. Length of a wave
wavelength
wave
variation of pressure with depth
Wave speed=
12. Pressure x area
Fluid force
wave
measurement of pressure
Acceleration
13. Initial velocity = acceleration x time
Present velocity
Velocity required for an object to reach height h
amplitude
period p of a mass m oscillating on a horizontal spring of force constant k
14. Velocity squared / radius
density of lead
Power (watts)
Torque
Centripedal acceleration=
15. The heat transfer by electromagnetic waves - thermal light waves
Convection
Change in internal energy
Radiation
amplitude
16. Z+n
Total momentum before collision
Engine efficiency
azX
Brahe
17. As the speed of a moving fluid increases - the pressure within the fluid decreases
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18. Heat is carried from place to place by the bulk movement of either liquids or gasses
Convection
Net force
Condition for stability
Engine efficiency
19. If the CG is above the edge - the object will not fall
definition of Bernoulii's equation
Condition for stability
Brahe
Convection
20. Time required to complete one cycle
Center of gravity (CG)
Period
Why does something move?
Newton's Second Law
21. The sum of the energy of all the molecules in the system
Internal energy
Speed of light
continuity
entropy
22. 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.
volume fluid flow rate
Flow through a pipe
Net force
Galileo
23. Sounds above 20 -000 Hz
volume fluid flow rate formula
Heat
variation of pressure with depth
ultrasound
24. Maximum displacement from equilibrium
amplitude
Quantum mechanics
Conservation of energy
wave
25. Rod with forces applied at opposite ends in the same direction
mechanical wave
Net force?0 net torque=0
Thermal radiation
Weight
26. Velocity squared / radius
Equilibrium
period p of a mass m oscillating on a horizontal spring of force constant k
Torque
Centripedal acceleration=
27. Length of a wave
static fluid formula
wavelength
amplitude
Distance traveled
28. Current x resistance
Voltage
law of conservation of energy
Second law of thermodynamics
restoring force
29. A disturbance that moves through something
Change in internal energy
measurement of pressure
wave
density of water
30. A disturbance that propagates through a medium
Net force=0 net torque?0
mechanical wave
Voltage
Total momentum before collision
31. ?
mechanical wave
Velocity=
c=3x10^8 m/s
Wavelength
32. Heat into system - work done by system
Torque
Flow through a pipe
Change in internal energy
wave
33. F=mass x acceleration
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34. If the CG is above the edge - the object will not fall
Velocity=
Thermodynamics
static fluid formula
Condition for stability
35. The center of an object
Center of gravity (CG)
Weight
Period
Second law of thermodynamics
36. A tendency for liquids to resist flowing.
Net force?0 net torque=0
viscosity
mass flow rate formula
Thermal conductivity
37. Heat into system - work done by system
volume fluid flow rate formula
Quantum mechanics
Change in internal energy
pressure depends on
38. C/n
Newton's Second Law
velocity through a medium
Resistance
Engine efficiency
39. T=2p square root m/k frequency= square root k/m;/2p
period p of a mass m oscillating on a horizontal spring of force constant k
Heat
Emissive
volume fluid flow rate formula
40. Sounds below 30 Hz
infrasound
Engine efficiency
pressure at depth h
mass flow rate formula
41. 10 m/s^2
mass flow rate formula
Conduction
Weight
Acceleration due to gravity on the earth
42. P + density x g h
variation of pressure with depth
pressure at depth h
definition of Bernoulii's equation
Net force?0 net torque=0
43. The total disorder of an object
period of a pendulum T of length L
Fluid force
entropy
wave
44. The energy that flows from one system to another because of their temperature difference.
Acceleration
Heat
Voltage
density of aluminum
45. The combination of force and point of application
Centripedal acceleration=
restoring force
Torque
Velocity required for an object to reach height h
46. Decreases
measure of density
Galileo
infrasound
the pressure of liquids _____ when it goes faster
47. Number density x temperature
pressure depends on
Heat
Change in internal energy
when ice in water melts what happens?
48. Are wider at the base (which lowers their center of gravity)
Einstein
Engine efficiency cannot be 100%
Stable structures
Brahe
49. The change in internal energy= the heat absorbed- the work done
law of conservation of energy
Period
continuity
restoring force
50. 1 / period (time)
Stable
Thermodynamics
Frequency
Pressure=
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