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Mechanical advantage (part 2) | Work and energy | Physics | Khan Academy

169,062 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

96%
  • 6:36 / 6:50

Speech Rate:

  • 186 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

relationship

/rəˈlāSH(ə)nˌSHip/

noun

way in which two or more people or things are connected.

actually

/ˈak(t)SH(o͞o)əlē/

adverb

as truth or facts.

essentially

/əˈsen(t)SHəlē/

adverb

used to emphasize basic, fundamental, or intrinsic nature of person or thing.

machine

/məˈSHēn/

noun verb

mechanical apparatus. make or operate on with machine.

problems

/ˈpräbləm/

noun other

unwelcome or harmful matter. Some things difficult to deal with or causes troubles.

hopefully

/ˈhōpfəlē/

adverb

in hopeful manner.

transfer
noun verb

Moving to a different place, job, or school. To give someone an illness through contact.

assuming

/əˈso͞omiNG/

adjective conjunction verb

arrogant or presumptuous. used for purpose of argument to indicate premise on which statement can be based. To take a job or the responsibilities of another.

conclusion

/kənˈklo͞oZHən/

noun

Opinion or final judgment at end of book, essay.

friction

/ˈfrikSH(ə)n/

noun

resistance that one surface or object encounters when moving over another.

conservation

/ˌkänsərˈvāSH(ə)n/

noun

Act of keeping in reserve.

distance

/ˈdistəns/

noun verb

length of space between two points. make distant in position or nature.

hurrying

/ˈhərē/

verb

To move, act, get somewhere, do something quickly.

applying

/əˈplī/

verb

To commit your time and effort to doing something.

fulcrum

/ˈfo͝olkrəm/

noun

point against which lever is placed to get purchase, or on which it turns or is supported.

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