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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 per unit area
pressure depends on
Aristotle
Pressure=
measure of density
2. The total disorder of an object
Pressure=
density of air
Flow through a pipe
entropy
3. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Frequency
Present velocity
1 BTU
Center of gravity (CG)
4. A disturbance that propagates through a medium
mechanical wave
density of aluminum
Convert Fahrenheit to Celsius
Momentum
5. Fbottom=Ftop+mg where mg is the weight of the volume
Thermodynamics
Weight
velocity through a medium
static fluid formula
6. Sounds below 30 Hz
continuity
Brahe
infrasound
Convert Celsius to Kelven
7. The effectiveness of a material in conducting heat
Net force?0 net torque=0
Thermal conductivity
amplitude
velocity through a medium
8. Decreases
Conservation of energy
Why does something move?
the pressure of liquids _____ when it goes faster
Convection
9. Hf
entropy
Photon energy
definition of Bernoulii's equation
wavelength
10. Work done / heat in
Engine efficiency
Internal energy
Center of gravity (CG)
Torque
11. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Thermal radiation
Buoyant force
Distance traveled
Mechanics
12. 2 -700 kg/m^3
Heat capacity (specific heat)
velocity through a medium
density of aluminum
measure of density
13. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Resistance
Second law of thermodynamics
c=3x10^8 m/s
Time for an object thrown to reach maximum height
14. The sum of the energy of all the molecules in the system
1 BTU
Second law of thermodynamics
Internal energy
period of a pendulum T of length L
15. Velocity squared / radius
Centripedal acceleration=
bernoulli's equation
variation of pressure with depth
Engine efficiency cannot be 100%
16. It increases
pressure does what when depth is increased
Heat capacity equation
Equilibrium
Photon energy
17. Initial velocity= the square root of 2gh
Velocity required for an object to reach height h
Galileo
mass flow rate formula
Quantum mechanics
18. Time required to complete one cycle
Heat capacity equation
Period
Acceleration due to gravity on the earth
Net force
19. Why things move
Mechanics
Convert Celsius to Fahrenheit
Stable
Conduction
20. 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.
restoring force
Heat
First Law of thermodynamics
Frequency
21. ?
c=3x10^8 m/s
Velocity=
pressure does what when depth is increased
Pressure=
22. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
Center of gravity (CG)
law of conservation of energy
First Law of thermodynamics
volume fluid flow rate
23. 9/5T(C)+32
Heat
Change in internal energy
restoring force
Convert Celsius to Fahrenheit
24. The heat transfer by electromagnetic waves - thermal light waves
restoring force
measurement of pressure
wave
Radiation
25. P + density x g h
pressure at depth h
Torque
Newton's Second Law
Resistance
26. Equals total momentum after collision
Total momentum before collision
frequency of light
Pressure=
Conduction
27. Pressure x area
Fluid force
Period
pressure does what when depth is increased
Convert Celsius to Kelven
28. Mass x gravity
Weight
Heat
Mechanics
Acceleration due to gravity on the earth
29. It increases
Wave speed=
Engine efficiency cannot be 100%
pressure does what when depth is increased
Heat
30. T^4
pressure depends on
wave
Convert Fahrenheit to Celsius
Thermal radiation
31. Initial velocity= the square root of 2gh
Conduction
Second law of thermodynamics
Velocity required for an object to reach height h
Torque
32. The effectiveness of a material in conducting heat
Thermal conductivity
viscosity
Aristotle
Time for an object thrown to reach maximum height
33. 1 / period (time)
Frequency
c=3x10^8 m/s
Thermodynamics
entropy
34. The energy that flows from one system to another because of their temperature difference.
mechanical wave
Heat
First Law of thermodynamics
Velocity=
35. The force that brings a system back to equilibrium
restoring force
definition of Bernoulii's equation
entropy
Net force
36. 18600 miles/sec
atmospheric pressure (atm)
Speed of light
pressure depends on
Convert Fahrenheit to Celsius
37. 2 -700 kg/m^3
density of aluminum
Velocity required for an object to reach height h
variation of pressure with depth
Convert Fahrenheit to Celsius
38. 11 -000 kg/m^3
Torque
Einstein
pressure does what when depth is increased
density of lead
39. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Total momentum before collision
ultrasound
1 BTU
atmospheric pressure (atm)
40. Distance traveled / time
density of water
Velocity=
Power (watts)
Net force?0 net torque=0
41. The study of how objects behave (from the very tiny to the very big - and from the beginning of the Universe to its ultimate fate).
Physics
amplitude
density of water
measure of density
42. Heat Q= mass of sample x specific heat x temp change
wavelength
Conduction
order of states of matter stronger to lesser forces between atoms
Heat capacity equation
43. 9/5T(C)+32
mass flow rate formula
Convert Fahrenheit to Celsius
wave
Convert Celsius to Fahrenheit
44. The level stays the same
Newton's Second Law
Fluid force
when ice in water melts what happens?
Present velocity
45. 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.
Galileo
ultrasound
Projectile
Torque
46. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
pressure does what when depth is increased
mass flow rate formula
Second law of thermodynamics
Centripedal acceleration=
47. Rod with forces applied at opposite ends in the same direction
Net force?0 net torque=0
Kepler
Photon energy
amplitude
48. 10 m/s^2
pressure does what when depth is increased
Rotational inertia (moment of inertia)
Acceleration due to gravity on the earth
Torque
49. Because nothing stops it
Weight
Equilibrium
period of a pendulum T of length L
Why does something move?
50. Velocity squared / radius
First Law of thermodynamics
Physics
Centripedal acceleration=
Heat capacity equation