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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. Velocity squared / radius
Present velocity
Newton's Second Law
Centripedal acceleration=
ultrasound
2. 25%
order of states of matter stronger to lesser forces between atoms
Equilibrium
The US uses how much of the total world energy consumption?
Aristotle
3. 18600 miles/sec
Voltage
Speed of light
Energy of motion (kinetic energy)
measurement of pressure
4. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
Internal energy
Engine efficiency
entropy
5. Force x lever arm
Stable structures
Convert Celsius to Fahrenheit
density of air
Torque
6. Current x resistance
Voltage
ultrasound
Conduction
The US uses how much of the total world energy consumption?
7. 25%
The US uses how much of the total world energy consumption?
Projectile
Emissive
static fluid formula
8. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Quantum mechanics
infrasound
Centripedal acceleration=
Heat capacity (specific heat)
9. Pascal (Pa) or pounds per square inch (psi)
Conduction
measurement of pressure
period p of a mass m oscillating on a horizontal spring of force constant k
volume fluid flow rate
10. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Projectile
volume fluid flow rate formula
mass flow rate formula
Internal energy
11. Force per unit area
variation of pressure with depth
Convert Celsius to Kelven
frequency of light
Pressure=
12. You cant get as much out as you put in
Distance traveled
Wave speed=
Second law of thermodynamics
Engine efficiency cannot be 100%
13. Length of a wave
Engine efficiency
wavelength
atmospheric pressure (atm)
Conduction
14. Heat is carried from place to place by the bulk movement of either liquids or gasses
Convection
volume fluid flow rate
volume fluid flow rate formula
variation of pressure with depth
15. Believed that the natural state of objects was to be at rest
Aristotle
1 BTU
Engine efficiency
measurement of pressure
16. An object that is thrown or struck or shot and then travels under the influence of gravity
Frequency
Period
Galileo
Projectile
17. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
law of conservation of energy
Heat capacity (specific heat)
Heat
Radiation
18. Mass x velocity
Rotational inertia (moment of inertia)
Time for an object thrown to reach maximum height
Momentum
atmospheric pressure (atm)
19. The effectiveness of a material in conducting heat
Mechanics
Voltage
Thermal conductivity
Galileo
20. Time= the square root of 2 x height / acceleration due to gravity
Acceleration
frequency of light
Voltage
Time for an object thrown to reach maximum height
21. Change in velocity / time
Acceleration due to gravity on the earth
Acceleration
Energy of motion (kinetic energy)
variation of pressure with depth
22. V1 x A1=v2 x A2
incoming and outgoing flow rate formula
Engine efficiency cannot be 100%
First Law of thermodynamics
infrasound
23. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Newton's Second Law
Buoyant force
density of air
Mechanics
24. Because nothing stops it
Galileo
wave
Why does something move?
volume fluid flow rate
25. The heat transfer by electromagnetic waves - thermal light waves
Radiation
Distance traveled
Engine efficiency cannot be 100%
Conservation of energy
26. Why things move
Mechanics
Net force=0 net torque?0
Convection
definition of Bernoulii's equation
27. Kg/m^3
Internal energy
the pressure of liquids _____ when it goes faster
Speed of light
measure of density
28. The sum of the energy of all the molecules in the system
Present velocity
Emissive
Internal energy
density of water
29. 9/5T(C)+32
Emissive
Conduction
Convert Celsius to Fahrenheit
viscosity
30. Hf
Photon energy
Second law of thermodynamics
Weight
Buoyant force
31. 1.25 kg/m^3
density of air
Torque
Conduction
Centripedal acceleration=
32. V x A= constant
Flow through a pipe
Thermodynamics
continuity
Thermal conductivity
33. As the speed of a moving fluid increases - the pressure within the fluid decreases
34. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
period of a pendulum T of length L
Newton
Wave speed=
Centripedal acceleration=
35. Heat Q= mass of sample x specific heat x temp change
velocity through a medium
Heat capacity equation
Net force
atmospheric pressure (atm)
36. Current x voltage energy/time (joules per second)
Power (watts)
Speed of light
period of a pendulum T of length L
Momentum
37. An object that is thrown or struck or shot and then travels under the influence of gravity
Conduction
Torque
Brahe
Projectile
38. T(C) +273
Convert Celsius to Kelven
the pressure of liquids _____ when it goes faster
Acceleration
Conservation of energy
39. Pascal (Pa) or pounds per square inch (psi)
measurement of pressure
Velocity=
restoring force
The US uses how much of the total world energy consumption?
40. Not easy to knock over
density of aluminum
Stable
ultrasound
Equilibrium
41. Time= the square root of 2 x height / acceleration due to gravity
variation of pressure with depth
Heat
Time for an object thrown to reach maximum height
Net force=0 net torque?0
42. Number density x temperature
Voltage
Net force
Time for an object thrown to reach maximum height
pressure depends on
43. Voltage / current
Rotational inertia (moment of inertia)
Resistance
Present velocity
law of conservation of energy
44. Decreases
Why does something move?
Heat
First Law of thermodynamics
the pressure of liquids _____ when it goes faster
45. Initial velocity= the square root of 2gh
pressure at depth h
Wavelength
Einstein
Velocity required for an object to reach height h
46. A tendency for liquids to resist flowing.
Distance traveled
viscosity
density of aluminum
Radiation
47. F=mass x acceleration
48. Rod with forces applied at opposite ends in opposite directions
mechanical wave
Heat capacity (specific heat)
Kepler
Net force=0 net torque?0
49. T^4
Torque
Resistance
Convection
Thermal radiation
50.
Distance traveled
Stable structures
Radiation
wave