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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 level stays the same
Power (watts)
when ice in water melts what happens?
Second law of thermodynamics
Velocity=
2. The center of an object
Center of gravity (CG)
Buoyant force
definition of Bernoulii's equation
Brahe
3. 25%
The US uses how much of the total world energy consumption?
viscosity
atmospheric pressure (atm)
Torque
4. Z+n
1 BTU
velocity through a medium
amplitude
azX
5. Initial velocity = acceleration x time
restoring force
Speed of light
Present velocity
wavelength
6. Mass x velocity
Quantum mechanics
Net force?0 net torque=0
Engine efficiency cannot be 100%
Momentum
7. Time= the square root of 2 x height / acceleration due to gravity
bernoulli's equation
Conservation of energy
volume fluid flow rate formula
Time for an object thrown to reach maximum height
8. V1 x A1=v2 x A2
Second law of thermodynamics
order of states of matter stronger to lesser forces between atoms
incoming and outgoing flow rate formula
First Law of thermodynamics
9. 1 / period (time)
wave
Frequency
mass flow rate formula
bernoulli's equation
10. Heat is carried from place to place by the bulk movement of either liquids or gasses
Convection
Newton
Velocity=
Total momentum before collision
11. Mass x gravity
Speed of light
Stable
Weight
azX
12. As the speed of a moving fluid increases - the pressure within the fluid decreases
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13. Sounds above 20 -000 Hz
Present velocity
velocity through a medium
ultrasound
Kepler
14. The effectiveness of a material in conducting heat
Radiation
Thermal conductivity
continuity
Brahe
15. 25%
wavelength
Conservation of energy
The US uses how much of the total world energy consumption?
measure of density
16. The heat transfer by electromagnetic waves - thermal light waves
restoring force
Radiation
wave
Quantum mechanics
17. 1 -000 kg/m^3
Engine efficiency
density of water
Present velocity
period p of a mass m oscillating on a horizontal spring of force constant k
18. The study of heat and its transformation into mechanical energy
Newton
Why does something move?
mechanical wave
Thermodynamics
19. Change in velocity / time
Acceleration
Second law of thermodynamics
Voltage
Aristotle
20. P x u x A
bernoulli's equation
mass flow rate formula
Total momentum before collision
First Law of thermodynamics
21. The heat needed to raise the temperature of 1 pound of water by 1 degree F
1 BTU
period of a pendulum T of length L
Net force?0 net torque=0
Equilibrium
22. Net force=0 net torque=0
Equilibrium
frequency of light
Photon energy
Quantum mechanics
23. Sounds below 30 Hz
mechanical wave
infrasound
frequency of light
period of a pendulum T of length L
24. New theory that explained behavior at the atomic level
Engine efficiency
Net force
Flow through a pipe
Quantum mechanics
25. 5/9 [T(F)-32]
Centripedal acceleration=
Convert Fahrenheit to Celsius
bernoulli's equation
Frequency
26. 2 -700 kg/m^3
Convection
Pressure=
density of aluminum
ultrasound
27. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Velocity=
wavelength
Photon energy
volume fluid flow rate formula
28. 10 m/s^2
Acceleration due to gravity on the earth
wave
Momentum
Brahe
29. T^4
Thermal radiation
definition of Bernoulii's equation
Buoyant force
Kepler
30. Kg/m^3
Wavelength
Acceleration due to gravity on the earth
law of conservation of energy
measure of density
31. Believed that the natural state of objects was to be at rest
Net force=0 net torque?0
Aristotle
Heat
Net force?0 net torque=0
32. It increases
pressure does what when depth is increased
measure of density
Rotational inertia (moment of inertia)
Convection
33. Time= the square root of 2 x height / acceleration due to gravity
Thermal radiation
Time for an object thrown to reach maximum height
Thermodynamics
mechanical wave
34. As the speed of a moving fluid increases - the pressure within the fluid decreases
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35. Kg/m^3
c=3x10^8 m/s
Newton
pressure depends on
measure of density
36. The change in internal energy= the heat absorbed- the work done
law of conservation of energy
Heat
Convert Celsius to Fahrenheit
Thermodynamics
37. The combination of force and point of application
order of states of matter stronger to lesser forces between atoms
Torque
Fluid force
Distance traveled
38. Initial velocity= the square root of 2gh
Thermal conductivity
period p of a mass m oscillating on a horizontal spring of force constant k
Second law of thermodynamics
Velocity required for an object to reach height h
39. A disturbance that moves through something
wave
Thermal radiation
Total momentum before collision
measure of density
40. An object that is thrown or struck or shot and then travels under the influence of gravity
1 BTU
Total momentum before collision
measurement of pressure
Projectile
41. Force per unit area
Total momentum before collision
Weight
Pressure=
Engine efficiency cannot be 100%
42. 1 / period (time)
Frequency
definition of Bernoulii's equation
Heat capacity (specific heat)
Power (watts)
43. C/n
pressure depends on
First Law of thermodynamics
pressure depends on
velocity through a medium
44. Current x resistance
when ice in water melts what happens?
density of water
Voltage
measurement of pressure
45. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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46. Force x lever arm
Torque
First Law of thermodynamics
wavelength
Net force=0 net torque?0
47. 10 m/s^2
Acceleration due to gravity on the earth
density of air
Power (watts)
Voltage
48. Velocity squared / radius
Time for an object thrown to reach maximum height
mechanical wave
Centripedal acceleration=
Pressure=
49. Net force=0 net torque=0
Equilibrium
Galileo
Net force?0 net torque=0
Convert Fahrenheit to Celsius
50. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
Momentum
mechanical wave
static fluid formula