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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. Time= the square root of 2 x height / acceleration due to gravity
infrasound
Time for an object thrown to reach maximum height
Why does something move?
Wave speed=
2. Velocity squared / radius
Velocity required for an object to reach height h
Thermal conductivity
Centripedal acceleration=
pressure at depth h
3. Initial velocity= the square root of 2gh
Velocity required for an object to reach height h
Einstein
Conservation of energy
restoring force
4. Velocity squared / radius
Centripedal acceleration=
Newton's Second Law
Velocity required for an object to reach height h
Galileo
5. Sounds above 20 -000 Hz
Voltage
Net force
ultrasound
wave
6. The combination of force and point of application
Radiation
wave
Torque
Mechanics
7. C/n
entropy
Condition for stability
velocity through a medium
Projectile
8. Force x lever arm
Torque
the pressure of liquids _____ when it goes faster
Brahe
mechanical wave
9. Fbottom=Ftop+mg where mg is the weight of the volume
Distance traveled
Frequency
Stable structures
static fluid formula
10. Heat Q= mass of sample x specific heat x temp change
the pressure of liquids _____ when it goes faster
Heat capacity equation
Change in internal energy
Radiation
11. You can't get more work out than the energy you put in
Acceleration due to gravity on the earth
atmospheric pressure (atm)
Velocity required for an object to reach height h
Conservation of energy
12. It increases
Newton's Second Law
pressure does what when depth is increased
Convert Celsius to Kelven
Emissive
13. V x A= constant
Convert Celsius to Kelven
Convert Celsius to Fahrenheit
Why does something move?
continuity
14. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
wave
The US uses how much of the total world energy consumption?
Condition for stability
Second law of thermodynamics
15. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
Brahe
Voltage
Convert Celsius to Fahrenheit
16. Pressure x area
ultrasound
Fluid force
Thermal conductivity
atmospheric pressure (atm)
17. Z+n
period of a pendulum T of length L
Kepler
azX
Stable structures
18. 2p x square root L/g
period of a pendulum T of length L
Why does something move?
First Law of thermodynamics
Center of gravity (CG)
19. The total disorder of an object
Conduction
entropy
Why does something move?
Momentum
20. Rod with forces applied at opposite ends in opposite directions
Galileo
Conservation of energy
Net force=0 net torque?0
Newton's Second Law
21. Fbottom-Ftop=mg=(density x vol) x g
azX
infrasound
variation of pressure with depth
definition of Bernoulii's equation
22. Mass x velocity
Net force?0 net torque=0
Energy of motion (kinetic energy)
Momentum
Brahe
23. Current x voltage energy/time (joules per second)
Conservation of energy
Radiation
Quantum mechanics
Power (watts)
24. P(P2-P1)D^4/128Ln n=fluid's viscosity
order of states of matter stronger to lesser forces between atoms
Flow through a pipe
Projectile
mechanical wave
25. Decreases
the pressure of liquids _____ when it goes faster
period p of a mass m oscillating on a horizontal spring of force constant k
law of conservation of energy
static fluid formula
26. Rod with forces applied at opposite ends in the same direction
velocity through a medium
Net force?0 net torque=0
wavelength
Buoyant force
27. New theory that explained behavior at the atomic level
Quantum mechanics
Condition for stability
Present velocity
Physics
28. Equals total momentum after collision
Acceleration
Heat
Frequency
Total momentum before collision
29. The total force (positive and negative) acting upon an object
Heat
Photon energy
Emissive
Net force
30. 18600 miles/sec
Stable structures
Speed of light
Heat capacity (specific heat)
density of water
31. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
entropy
when ice in water melts what happens?
Brahe
Projectile
32. Length of a wave
Conduction
wavelength
Weight
Internal energy
33. Believed that the natural state of objects was to be at rest
measure of density
Momentum
Radiation
Aristotle
34. It increases
pressure does what when depth is increased
Convert Fahrenheit to Celsius
measure of density
velocity through a medium
35. The study of heat and its transformation into mechanical energy
Stable structures
Net force
Thermodynamics
pressure depends on
36. A disturbance that propagates through a medium
mechanical wave
Weight
Equilibrium
pressure depends on
37. Maximum displacement from equilibrium
amplitude
Wave speed=
volume fluid flow rate formula
Heat
38. Change in velocity / time
Acceleration
period p of a mass m oscillating on a horizontal spring of force constant k
volume fluid flow rate formula
pressure depends on
39. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
The US uses how much of the total world energy consumption?
variation of pressure with depth
mechanical wave
Kepler
40. Pascal (Pa) or pounds per square inch (psi)
mechanical wave
measurement of pressure
definition of Bernoulii's equation
Net force?0 net torque=0
41. 100 -000 n/m^2
atmospheric pressure (atm)
Wave speed=
Heat capacity equation
volume fluid flow rate
42. Decreases
volume fluid flow rate formula
the pressure of liquids _____ when it goes faster
Flow through a pipe
Center of gravity (CG)
43. The study of heat and its transformation into mechanical energy
Thermodynamics
mechanical wave
Period
Physics
44. T^4
Acceleration due to gravity on the earth
Acceleration due to gravity on the earth
Thermal radiation
Center of gravity (CG)
45. 25%
Heat capacity equation
The US uses how much of the total world energy consumption?
Torque
when ice in water melts what happens?
46. V1 x A1=v2 x A2
static fluid formula
velocity through a medium
Pressure=
incoming and outgoing flow rate formula
47. Kg/m^3
definition of Bernoulii's equation
measure of density
Rotational inertia (moment of inertia)
Weight
48. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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49. Hf
wavelength
Convert Celsius to Fahrenheit
Photon energy
restoring force
50. Z+n
Convert Celsius to Fahrenheit
ultrasound
azX
wave
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