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Test your basic knowledge |
Everyday Physics
Start Test
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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. Rod with forces applied at opposite ends in opposite directions
Net force=0 net torque?0
Convert Celsius to Fahrenheit
amplitude
Condition for stability
2. You can't get more work out than the energy you put in
Emissive
when ice in water melts what happens?
amplitude
Conservation of energy
3. Solids - liquids - gases
order of states of matter stronger to lesser forces between atoms
1 BTU
Total momentum before collision
Speed of light
4. Mass x gravity
Flow through a pipe
Buoyant force
Power (watts)
Weight
5. The study of heat and its transformation into mechanical energy
Thermodynamics
Flow through a pipe
Stable
period p of a mass m oscillating on a horizontal spring of force constant k
6. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
period p of a mass m oscillating on a horizontal spring of force constant k
Heat capacity (specific heat)
order of states of matter stronger to lesser forces between atoms
when ice in water melts what happens?
7. Heat is transferred directly through a material with no bulk movement of material
Centripedal acceleration=
Newton
Conduction
Torque
8. T=2p square root m/k frequency= square root k/m;/2p
Present velocity
period p of a mass m oscillating on a horizontal spring of force constant k
Galileo
Frequency
9. Rod with forces applied at opposite ends in the same direction
density of aluminum
Torque
Buoyant force
Net force?0 net torque=0
10. 100 -000 n/m^2
Flow through a pipe
atmospheric pressure (atm)
Conduction
Center of gravity (CG)
11. 10 m/s^2
Internal energy
Convert Celsius to Fahrenheit
c=3x10^8 m/s
Acceleration due to gravity on the earth
12. 2p x square root L/g
period of a pendulum T of length L
density of aluminum
order of states of matter stronger to lesser forces between atoms
Torque
13. Why things move
Net force
density of lead
Mechanics
Weight
14. Z+n
The US uses how much of the total world energy consumption?
Pressure=
azX
wave
15. C / f
wave
Wavelength
Velocity required for an object to reach height h
The US uses how much of the total world energy consumption?
16. Sounds above 20 -000 Hz
ultrasound
Internal energy
Rotational inertia (moment of inertia)
density of water
17. Length of a wave
wavelength
Convert Fahrenheit to Celsius
viscosity
Convert Celsius to Kelven
18. Speed of light / wavelength
frequency of light
restoring force
Distance traveled
Power (watts)
19. Decreases
the pressure of liquids _____ when it goes faster
Torque
Convection
Emissive
20. 2p x square root L/g
pressure depends on
pressure depends on
Condition for stability
period of a pendulum T of length L
21. Z+n
Condition for stability
Newton
Einstein
azX
22. Change in velocity / time
Acceleration
Physics
density of air
Quantum mechanics
23. The combination of force and point of application
Galileo
Torque
Change in internal energy
Brahe
24. As the speed of a moving fluid increases - the pressure within the fluid decreases
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25.
definition of Bernoulii's equation
Quantum mechanics
Equilibrium
Distance traveled
26. The combination of force and point of application
Acceleration
mechanical wave
Torque
1 BTU
27. It increases
Acceleration
Change in internal energy
amplitude
pressure does what when depth is increased
28. P(P2-P1)D^4/128Ln n=fluid's viscosity
Newton
Mechanics
incoming and outgoing flow rate formula
Flow through a pipe
29. A disturbance that propagates through a medium
First Law of thermodynamics
wavelength
Internal energy
mechanical wave
30. Solids - liquids - gases
Condition for stability
Time for an object thrown to reach maximum height
Physics
order of states of matter stronger to lesser forces between atoms
31. Heat into system - work done by system
Pressure=
density of water
period p of a mass m oscillating on a horizontal spring of force constant k
Change in internal energy
32. 18600 miles/sec
ultrasound
Speed of light
measure of density
order of states of matter stronger to lesser forces between atoms
33. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
the pressure of liquids _____ when it goes faster
Einstein
bernoulli's equation
Mechanics
34. The total disorder of an object
continuity
Quantum mechanics
variation of pressure with depth
entropy
35. Voltage / current
Resistance
the pressure of liquids _____ when it goes faster
wave
Velocity=
36. 25%
Einstein
Stable
law of conservation of energy
The US uses how much of the total world energy consumption?
37. Because nothing stops it
Acceleration
Power (watts)
Why does something move?
Voltage
38. 10 m/s^2
Heat capacity (specific heat)
Newton's Second Law
Wavelength
Acceleration due to gravity on the earth
39. The heat transfer by electromagnetic waves - thermal light waves
Radiation
Galileo
density of air
Emissive
40. 1.25 kg/m^3
density of air
Heat
Einstein
mass flow rate formula
41. The force that brings a system back to equilibrium
restoring force
Radiation
Wavelength
density of water
42. Sounds below 30 Hz
Thermodynamics
infrasound
wavelength
Frequency
43. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Velocity=
static fluid formula
Kepler
mass flow rate formula
44. ?
mechanical wave
azX
c=3x10^8 m/s
Quantum mechanics
45. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Internal energy
Brahe
order of states of matter stronger to lesser forces between atoms
Wave speed=
46. The total disorder of an object
Einstein
Net force=0 net torque?0
Thermal radiation
entropy
47. Pressure x area
Centripedal acceleration=
Fluid force
Mechanics
Engine efficiency
48. A disturbance that propagates through a medium
mechanical wave
measure of density
period p of a mass m oscillating on a horizontal spring of force constant k
atmospheric pressure (atm)
49. The force that brings a system back to equilibrium
Torque
Stable
restoring force
Rotational inertia (moment of inertia)
50. P x u x A
velocity through a medium
wavelength
wavelength
mass flow rate formula
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