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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. 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
1 BTU
Present velocity
Center of gravity (CG)
2. 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.
Engine efficiency cannot be 100%
ultrasound
First Law of thermodynamics
velocity through a medium
3. An object that is thrown or struck or shot and then travels under the influence of gravity
Conduction
Thermal conductivity
Projectile
Speed of light
4. An object that is thrown or struck or shot and then travels under the influence of gravity
Convection
density of aluminum
Projectile
Net force=0 net torque?0
5. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Convection
volume fluid flow rate formula
Physics
Centripedal acceleration=
6. The heat transfer by electromagnetic waves - thermal light waves
Radiation
Aristotle
Heat
definition of Bernoulii's equation
7. Length of a wave
Acceleration due to gravity on the earth
Galileo
law of conservation of energy
wavelength
8. Net force=0 net torque=0
Equilibrium
Velocity required for an object to reach height h
variation of pressure with depth
period p of a mass m oscillating on a horizontal spring of force constant k
9. 5/9 [T(F)-32]
Velocity=
Heat capacity equation
Convert Fahrenheit to Celsius
pressure does what when depth is increased
10. Mass x specific heat x temperature change
Heat
density of lead
Rotational inertia (moment of inertia)
Engine efficiency
11. The effectiveness of a material in conducting heat
1 BTU
Conservation of energy
Galileo
Thermal conductivity
12. Sounds above 20 -000 Hz
Heat capacity equation
c=3x10^8 m/s
ultrasound
Acceleration due to gravity on the earth
13. As the speed of a moving fluid increases - the pressure within the fluid decreases
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14. Heat is carried from place to place by the bulk movement of either liquids or gasses
Einstein
Emissive
Convection
definition of Bernoulii's equation
15. T=2p square root m/k frequency= square root k/m;/2p
frequency of light
period p of a mass m oscillating on a horizontal spring of force constant k
Heat
entropy
16.
Energy of motion (kinetic energy)
Momentum
Why does something move?
continuity
17. You can't get more work out than the energy you put in
Heat capacity (specific heat)
Conservation of energy
Frequency
period of a pendulum T of length L
18. The total disorder of an object
Mechanics
entropy
The US uses how much of the total world energy consumption?
the pressure of liquids _____ when it goes faster
19. Velocity squared / radius
Velocity required for an object to reach height h
Centripedal acceleration=
Mechanics
viscosity
20. C/n
Photon energy
velocity through a medium
mechanical wave
density of lead
21. Heat Q= mass of sample x specific heat x temp change
Equilibrium
Heat capacity equation
Heat
pressure does what when depth is increased
22. Number density x temperature
pressure depends on
Resistance
Torque
Engine efficiency cannot be 100%
23. Not easy to knock over
period of a pendulum T of length L
Stable
Frequency
Period
24.
Convection
Energy of motion (kinetic energy)
Physics
Velocity required for an object to reach height h
25. Pascal (Pa) or pounds per square inch (psi)
order of states of matter stronger to lesser forces between atoms
measurement of pressure
wavelength
Brahe
26. Because nothing stops it
definition of Bernoulii's equation
Why does something move?
bernoulli's equation
Quantum mechanics
27. Velocity squared / radius
volume fluid flow rate
law of conservation of energy
Centripedal acceleration=
Frequency
28. 2 -700 kg/m^3
bernoulli's equation
Convert Celsius to Kelven
density of aluminum
Condition for stability
29. 25%
Photon energy
The US uses how much of the total world energy consumption?
Center of gravity (CG)
Flow through a pipe
30. 2 -700 kg/m^3
density of aluminum
Fluid force
density of lead
Speed of light
31. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
Velocity required for an object to reach height h
Newton
the pressure of liquids _____ when it goes faster
volume fluid flow rate
32. 10 m/s^2
Acceleration due to gravity on the earth
Acceleration
Acceleration
Conservation of energy
33. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Flow through a pipe
volume fluid flow rate formula
viscosity
Brahe
34. 100 -000 n/m^2
Convection
Thermal conductivity
Internal energy
atmospheric pressure (atm)
35. The total force (positive and negative) acting upon an object
wavelength
Frequency
Net force
Heat capacity (specific heat)
36. Change in velocity / time
Acceleration
The US uses how much of the total world energy consumption?
period of a pendulum T of length L
velocity through a medium
37. The combination of force and point of application
Voltage
Acceleration
Torque
Radiation
38. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
volume fluid flow rate
density of lead
Convection
39. The level stays the same
variation of pressure with depth
when ice in water melts what happens?
Centripedal acceleration=
Convert Celsius to Fahrenheit
40. 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
continuity
static fluid formula
ultrasound
41. Mass x gravity
ultrasound
Weight
Convert Celsius to Kelven
volume fluid flow rate
42. Heat into system - work done by system
Change in internal energy
density of aluminum
measurement of pressure
pressure does what when depth is increased
43. Speed of light / wavelength
Engine efficiency
Velocity required for an object to reach height h
frequency of light
Condition for stability
44. P + density x g h
pressure at depth h
frequency of light
Engine efficiency cannot be 100%
definition of Bernoulii's equation
45. The study of heat and its transformation into mechanical energy
Pressure=
Thermodynamics
measure of density
variation of pressure with depth
46. Heat into system - work done by system
Wave speed=
Mechanics
1 BTU
Change in internal energy
47. If the CG is above the edge - the object will not fall
Convection
Condition for stability
Conduction
entropy
48. 5/9 [T(F)-32]
Convert Fahrenheit to Celsius
Wavelength
the pressure of liquids _____ when it goes faster
pressure does what when depth is increased
49. Rod with forces applied at opposite ends in the same direction
Net force?0 net torque=0
Wave speed=
Frequency
measure of density
50. Initial velocity= the square root of 2gh
Stable
Buoyant force
Equilibrium
Velocity required for an object to reach height h