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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. 11 -000 kg/m^3
incoming and outgoing flow rate formula
Stable structures
density of lead
Speed of light
2. Mass x specific heat x temperature change
Thermodynamics
Heat
density of water
Energy of motion (kinetic energy)
3. Rod with forces applied at opposite ends in opposite directions
Center of gravity (CG)
Net force=0 net torque?0
Convert Celsius to Kelven
Heat
4. Distance traveled / time
Velocity=
Velocity required for an object to reach height h
volume fluid flow rate
Fluid force
5. 2p x square root L/g
velocity through a medium
Radiation
Rotational inertia (moment of inertia)
period of a pendulum T of length L
6. Equals total momentum after collision
Radiation
Brahe
Power (watts)
Total momentum before collision
7. Force x lever arm
Total momentum before collision
incoming and outgoing flow rate formula
Torque
period of a pendulum T of length L
8. The study of heat and its transformation into mechanical energy
Time for an object thrown to reach maximum height
Why does something move?
Acceleration
Thermodynamics
9. Mass x gravity
Weight
pressure does what when depth is increased
Resistance
Torque
10. The level stays the same
when ice in water melts what happens?
Velocity=
wavelength
Weight
11. P(P2-P1)D^4/128Ln n=fluid's viscosity
Flow through a pipe
Centripedal acceleration=
The US uses how much of the total world energy consumption?
Stable structures
12. Work done / heat in
Engine efficiency
Total momentum before collision
pressure depends on
mass flow rate formula
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)
Kepler
Engine efficiency cannot be 100%
Fluid force
Second law of thermodynamics
14. Hf
Photon energy
law of conservation of energy
density of lead
The US uses how much of the total world energy consumption?
15. Fbottom=Ftop+mg where mg is the weight of the volume
Einstein
Time for an object thrown to reach maximum height
Fluid force
static fluid formula
16. 2 -700 kg/m^3
Engine efficiency cannot be 100%
Center of gravity (CG)
density of aluminum
order of states of matter stronger to lesser forces between atoms
17. Fbottom=Ftop+mg where mg is the weight of the volume
Thermodynamics
static fluid formula
Fluid force
Acceleration
18. If the CG is above the edge - the object will not fall
Condition for stability
Power (watts)
incoming and outgoing flow rate formula
Voltage
19. Change in velocity / time
Acceleration
Speed of light
density of water
Voltage
20. Force per unit area
Heat
Pressure=
period of a pendulum T of length L
Distance traveled
21. Current x voltage energy/time (joules per second)
Power (watts)
Velocity required for an object to reach height h
Change in internal energy
mass flow rate formula
22. 18600 miles/sec
Acceleration due to gravity on the earth
entropy
Speed of light
Center of gravity (CG)
23. You can't get more work out than the energy you put in
Heat capacity equation
pressure does what when depth is increased
Equilibrium
Conservation of energy
24. ?
mass flow rate formula
Aristotle
Wave speed=
c=3x10^8 m/s
25. P x u x A
frequency of light
Stable
mass flow rate formula
Change in internal energy
26. Mass x velocity
azX
Flow through a pipe
Momentum
continuity
27. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
density of lead
restoring force
Heat
Brahe
28. Are wider at the base (which lowers their center of gravity)
Mechanics
Stable structures
Torque
Heat
29. A disturbance that moves through something
wave
definition of Bernoulii's equation
Mechanics
infrasound
30. Number density x temperature
First Law of thermodynamics
Velocity required for an object to reach height h
pressure depends on
pressure does what when depth is increased
31. 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.
ultrasound
Thermal radiation
atmospheric pressure (atm)
Galileo
32. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Engine efficiency cannot be 100%
Kepler
Center of gravity (CG)
mass flow rate formula
33. Why things move
Einstein
continuity
Mechanics
1 BTU
34. Heat Q= mass of sample x specific heat x temp change
Physics
infrasound
Equilibrium
Heat capacity equation
35. The combination of force and point of application
Acceleration due to gravity on the earth
Torque
Convert Celsius to Kelven
Resistance
36. C / f
volume fluid flow rate formula
Wavelength
measurement of pressure
Conduction
37. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Buoyant force
continuity
Acceleration due to gravity on the earth
Einstein
38. Z+n
Heat
Convert Celsius to Fahrenheit
azX
Stable
39. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Energy of motion (kinetic energy)
period of a pendulum T of length L
period of a pendulum T of length L
Brahe
40. Kg/m^3
Photon energy
measure of density
period of a pendulum T of length L
Pressure=
41. Heat is carried from place to place by the bulk movement of either liquids or gasses
measurement of pressure
Convection
incoming and outgoing flow rate formula
variation of pressure with depth
42. The change in internal energy= the heat absorbed- the work done
Center of gravity (CG)
Why does something move?
law of conservation of energy
Resistance
43. Sounds above 20 -000 Hz
ultrasound
atmospheric pressure (atm)
Voltage
Heat
44. 5/9 [T(F)-32]
Brahe
Convert Fahrenheit to Celsius
Fluid force
mass flow rate formula
45. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
amplitude
volume fluid flow rate formula
density of air
law of conservation of energy
46. A disturbance that moves through something
Wavelength
Brahe
wave
Flow through a pipe
47. Pascal (Pa) or pounds per square inch (psi)
atmospheric pressure (atm)
Convection
Thermodynamics
measurement of pressure
48. 25%
definition of Bernoulii's equation
Stable
mechanical wave
The US uses how much of the total world energy consumption?
49. Length of a wave
Net force=0 net torque?0
viscosity
wavelength
Why does something move?
50. P(P2-P1)D^4/128Ln n=fluid's viscosity
Power (watts)
ultrasound
Flow through a pipe
Stable