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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
Heat capacity equation
Velocity required for an object to reach height h
density of air
when ice in water melts what happens?
2. Are wider at the base (which lowers their center of gravity)
wavelength
Energy of motion (kinetic energy)
Heat
Stable structures
3. Change in velocity / time
entropy
Galileo
Brahe
Acceleration
4. New theory that explained behavior at the atomic level
Galileo
Power (watts)
Brahe
Quantum mechanics
5. 9/5T(C)+32
Convert Celsius to Fahrenheit
restoring force
atmospheric pressure (atm)
entropy
6. Pascal (Pa) or pounds per square inch (psi)
Why does something move?
Engine efficiency
Net force?0 net torque=0
measurement of pressure
7. The center of an object
c=3x10^8 m/s
Center of gravity (CG)
Internal energy
Quantum mechanics
8. Mass x velocity
Net force=0 net torque?0
Heat capacity equation
Momentum
period p of a mass m oscillating on a horizontal spring of force constant k
9. An object that is thrown or struck or shot and then travels under the influence of gravity
c=3x10^8 m/s
Convert Celsius to Fahrenheit
Flow through a pipe
Projectile
10. It increases
pressure does what when depth is increased
Second law of thermodynamics
Net force?0 net torque=0
Emissive
11. 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).
Voltage
Quantum mechanics
Physics
volume fluid flow rate
12. P(P2-P1)D^4/128Ln n=fluid's viscosity
Flow through a pipe
Momentum
Fluid force
wavelength
13. Wavelength x frequency
Condition for stability
Change in internal energy
Wave speed=
Net force
14. 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.
definition of Bernoulii's equation
First Law of thermodynamics
measurement of pressure
velocity through a medium
15. Heat is transferred directly through a material with no bulk movement of material
when ice in water melts what happens?
Conduction
Wavelength
Acceleration
16. Pascal (Pa) or pounds per square inch (psi)
Quantum mechanics
measurement of pressure
Speed of light
variation of pressure with depth
17. The energy that flows from one system to another because of their temperature difference.
Projectile
atmospheric pressure (atm)
Heat
Wavelength
18. Kg/m^3
Net force?0 net torque=0
measure of density
Convert Celsius to Fahrenheit
frequency of light
19. Because nothing stops it
Convection
Why does something move?
pressure depends on
Centripedal acceleration=
20. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Centripedal acceleration=
when ice in water melts what happens?
Newton
bernoulli's equation
21. 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
Fluid force
Galileo
measurement of pressure
22. 18600 miles/sec
Speed of light
Acceleration
Net force
Acceleration
23. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Buoyant force
Thermodynamics
wavelength
density of air
24. Rod with forces applied at opposite ends in opposite directions
density of water
Conservation of energy
Frequency
Net force=0 net torque?0
25. Heat into system - work done by system
variation of pressure with depth
Heat capacity (specific heat)
Change in internal energy
Acceleration due to gravity on the earth
26. Rod with forces applied at opposite ends in the same direction
atmospheric pressure (atm)
Total momentum before collision
Convert Fahrenheit to Celsius
Net force?0 net torque=0
27. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
1 BTU
Rotational inertia (moment of inertia)
Einstein
Heat
28. As the speed of a moving fluid increases - the pressure within the fluid decreases
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29. Initial velocity = acceleration x time
Thermal radiation
Present velocity
Distance traveled
static fluid formula
30. The effectiveness of a material in conducting heat
Velocity=
Newton
Rotational inertia (moment of inertia)
Thermal conductivity
31. 5/9 [T(F)-32]
variation of pressure with depth
Convert Fahrenheit to Celsius
Wavelength
Velocity=
32. The combination of force and point of application
Mechanics
atmospheric pressure (atm)
Torque
Acceleration due to gravity on the earth
33. Heat is transferred directly through a material with no bulk movement of material
Energy of motion (kinetic energy)
Conduction
Galileo
Equilibrium
34. Maximum displacement from equilibrium
Acceleration due to gravity on the earth
amplitude
First Law of thermodynamics
Flow through a pipe
35. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Energy of motion (kinetic energy)
volume fluid flow rate formula
Convert Celsius to Kelven
static fluid formula
36. V1 x A1=v2 x A2
pressure does what when depth is increased
period of a pendulum T of length L
incoming and outgoing flow rate formula
Wavelength
37. C / f
definition of Bernoulii's equation
Wavelength
period of a pendulum T of length L
Speed of light
38. A disturbance that propagates through a medium
pressure does what when depth is increased
Newton
wavelength
mechanical wave
39. Length of a wave
wavelength
Rotational inertia (moment of inertia)
period p of a mass m oscillating on a horizontal spring of force constant k
restoring force
40. Current x resistance
density of aluminum
Voltage
Net force=0 net torque?0
1 BTU
41. ?
Fluid force
The US uses how much of the total world energy consumption?
c=3x10^8 m/s
The US uses how much of the total world energy consumption?
42. 18600 miles/sec
viscosity
Speed of light
Fluid force
Mechanics
43. Heat Q= mass of sample x specific heat x temp change
Second law of thermodynamics
Rotational inertia (moment of inertia)
Heat capacity equation
law of conservation of energy
44. The force that brings a system back to equilibrium
Energy of motion (kinetic energy)
restoring force
Centripedal acceleration=
Conservation of energy
45. 11 -000 kg/m^3
Engine efficiency
density of lead
Voltage
Einstein
46. You cant get as much out as you put in
measure of density
Momentum
Engine efficiency cannot be 100%
Engine efficiency
47. Force per unit area
Engine efficiency cannot be 100%
measurement of pressure
the pressure of liquids _____ when it goes faster
Pressure=
48. Pressure x area
Fluid force
Distance traveled
Internal energy
wave
49. Net force=0 net torque=0
density of air
First Law of thermodynamics
entropy
Equilibrium
50. How much torque it takes to get an object rotating
Speed of light
Rotational inertia (moment of inertia)
Heat capacity equation
Internal energy