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Intuition on static and kinetic friction comparisons | Physics | Khan Academy

312,678 views

Khan Academy

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

95%
  • 7:01 / 7:20

Speech Rate:

  • 179 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

question

/ˈkwesCH(ə)n/

noun verb

Issue or problems you are dealing with. To ask for or try to get information.

surface

/ˈsərfəs/

adjective noun verb

relating to or found on surface of something. Outside or upper layer of something. To appear after being hidden, unseen, or unknown.

constant

/ˈkänstənt/

adjective noun

occurring continuously. unchanging situation.

coefficient

/ˌkōəˈfiSHənt/

adjective noun

Number by which another number is multiplied. numerical or constant quantity placed before and multiplying variable in algebraic expression.

reading

/ˈrēdiNG/

adjective noun verb

Things you read (book, magazines and web pages). Understanding of written text. To predict your future from cards, a crystal ball.

stationary

/ˈstāSHəˌnerē/

adjective

not moving or not intended to be moved.

sometimes

/ˈsəmˌtīmz/

adverb

Only at certain times; occasionally.

regular

/ˈreɡyələr/

adjective noun

Occurring or being done frequently. Soldier who has a permanent job in the army.

kinetic

/kəˈnedik/

adjective

Of or relating to movement.

current

/ˈkərənt/

adjective noun

Happening or being in the present time. Movement of water in a river, or air in the sky.

different

/ˈdif(ə)rənt/

adjective

not same as another or each other.

roughly

/ˈrəflē/

adverb

In a basic, simple manner.

friction

/ˈfrikSH(ə)n/

noun

Disagreement between two or more people.

several

/ˈsev(ə)rəl/

adjective determiner pronoun

separate or respective. more than two but not many. More than two but not a large amount.

velocity

/vəˈläsədē/

noun

speed of something in given direction.

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