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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. 10 m/s^2
Energy of motion (kinetic energy)
Acceleration due to gravity on the earth
Wavelength
Present velocity
2. Wavelength x frequency
definition of Bernoulii's equation
Acceleration due to gravity on the earth
Weight
Wave speed=
3. New theory that explained behavior at the atomic level
infrasound
Stable structures
Quantum mechanics
density of water
4. Heat into system - work done by system
Fluid force
Change in internal energy
First Law of thermodynamics
measurement of pressure
5. Equals total momentum after collision
Total momentum before collision
infrasound
Conduction
Velocity required for an object to reach height h
6. P x u x A
Galileo
mass flow rate formula
Convection
frequency of light
7. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
infrasound
Einstein
Acceleration
1 BTU
8. You can't get more work out than the energy you put in
continuity
Conservation of energy
Time for an object thrown to reach maximum height
Centripedal acceleration=
9. Mass x velocity
Momentum
Projectile
Thermal conductivity
Power (watts)
10. 100 -000 n/m^2
Centripedal acceleration=
atmospheric pressure (atm)
The US uses how much of the total world energy consumption?
continuity
11. The force that brings a system back to equilibrium
Acceleration
Mechanics
ultrasound
restoring force
12. An object that is thrown or struck or shot and then travels under the influence of gravity
Distance traveled
Convert Celsius to Fahrenheit
Thermodynamics
Projectile
13.
Energy of motion (kinetic energy)
Acceleration due to gravity on the earth
Present velocity
restoring force
14. How much torque it takes to get an object rotating
volume fluid flow rate
density of water
Rotational inertia (moment of inertia)
Heat
15. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
Convection
Torque
Convert Celsius to Kelven
16. T^4
Heat capacity (specific heat)
Momentum
Brahe
Thermal radiation
17. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
Convert Celsius to Kelven
Velocity=
Power (watts)
18. Maximum displacement from equilibrium
amplitude
Weight
ultrasound
atmospheric pressure (atm)
19. You cant get as much out as you put in
Wavelength
Engine efficiency cannot be 100%
law of conservation of energy
amplitude
20. C/n
Distance traveled
Wave speed=
velocity through a medium
Stable
21. Are wider at the base (which lowers their center of gravity)
Heat
First Law of thermodynamics
Net force=0 net torque?0
Stable structures
22. Are wider at the base (which lowers their center of gravity)
Second law of thermodynamics
frequency of light
infrasound
Stable structures
23. Mass x velocity
Energy of motion (kinetic energy)
Momentum
Change in internal energy
Galileo
24. Fbottom=Ftop+mg where mg is the weight of the volume
Speed of light
static fluid formula
Net force?0 net torque=0
definition of Bernoulii's equation
25. V1 x A1=v2 x A2
when ice in water melts what happens?
incoming and outgoing flow rate formula
Center of gravity (CG)
Physics
26. 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.
Centripedal acceleration=
Physics
Galileo
ultrasound
27. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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28. A disturbance that moves through something
Net force
wave
Projectile
Convert Celsius to Fahrenheit
29. The total force (positive and negative) acting upon an object
Voltage
Velocity=
Net force
Stable structures
30. Why things move
Speed of light
static fluid formula
Net force
Mechanics
31. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
Power (watts)
Why does something move?
volume fluid flow rate
Flow through a pipe
32. The level stays the same
Frequency
Convert Celsius to Fahrenheit
when ice in water melts what happens?
frequency of light
33. The study of heat and its transformation into mechanical energy
Momentum
Center of gravity (CG)
Heat
Thermodynamics
34. ?
Engine efficiency cannot be 100%
measurement of pressure
entropy
c=3x10^8 m/s
35. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Kepler
entropy
when ice in water melts what happens?
entropy
36. 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 depends on
Net force
Second law of thermodynamics
Heat capacity equation
37. P + density x g h
Aristotle
period p of a mass m oscillating on a horizontal spring of force constant k
c=3x10^8 m/s
pressure at depth h
38. P(P2-P1)D^4/128Ln n=fluid's viscosity
Photon energy
Flow through a pipe
Engine efficiency cannot be 100%
Wave speed=
39. Work done / heat in
Engine efficiency
Quantum mechanics
Newton's Second Law
measure of density
40. Velocity squared / radius
Projectile
azX
Heat
Centripedal acceleration=
41. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
Flow through a pipe
Photon energy
infrasound
42. If the CG is above the edge - the object will not fall
Condition for stability
Center of gravity (CG)
Mechanics
measurement of pressure
43. The heat needed to raise the temperature of 1 pound of water by 1 degree F
1 BTU
Speed of light
density of water
Pressure=
44. The sum of the energy of all the molecules in the system
Condition for stability
density of air
incoming and outgoing flow rate formula
Internal energy
45. Current x voltage energy/time (joules per second)
Power (watts)
Net force
Engine efficiency cannot be 100%
entropy
46. Believed that the natural state of objects was to be at rest
Aristotle
Internal energy
Conduction
Conservation of energy
47. Because nothing stops it
when ice in water melts what happens?
Rotational inertia (moment of inertia)
Flow through a pipe
Why does something move?
48. V1 x A1=v2 x A2
infrasound
period p of a mass m oscillating on a horizontal spring of force constant k
velocity through a medium
incoming and outgoing flow rate formula
49. 1.25 kg/m^3
Conduction
Heat capacity equation
Frequency
density of air
50. Initial velocity= the square root of 2gh
Velocity required for an object to reach height h
Distance traveled
wavelength
Internal energy