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Define machine....

Define machine.

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Machine is an object which allows us to do work with less effort than the effort required to do work without a machine
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Define a simple machine.

Knowledge Check

  • When analyzed, most complicated machines are found to consist of a combination of various simple machines. Which machine below is NOT a simple machine?

    A
    lever
    B
    electric motor
    C
    inclined plane
    D
    pulley.

  • Graphite powder is used in machines to

    A
    enhance friction
    B
    enchance profit
    C
    reduce friction
    D
    reduce efficiency

  • Statement-1: Machine parts are jammed in winter. Statement-2: The viscosity of lubricant used in machine part decrease at low temperature.

    A
    Statement-1, is true, Statement-2 is true, Statement-2 is correct explanation for statement-1
    B
    Statement-1 is true, statement-2 is true, statement-2 is NOT a correct explantion for statement-1
    C
    statement-1 is true, statement-2 is false
    D
    statement-1 is false statement-2 is true

    • Similar Questions

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    Do levers always act alone, or do they act with other machines? Give an example of a lever working with another simple machine.

    Motion of the needle of a sewing machine is ______ .

    Explain the meaning of Automatic Vending Machine.

    Explain the benefits of Automatic Vending Machine.

    A boy of mass 50kg is standing on a weihing machine placed on the floor of a lift. The machine reads his weight in newtons. The reading of the machine if the lift is moving upwards with uniform speed of 10ms^(-1) .

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