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What is work in physics?

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What is work in physics?

    • Posted by Khiyati Dhillon 3 years, 9 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Nischay Kumar 3 years, 9 months ago

    Work is said to be done when the force is applied on an object and the object undergo displacement along the direction of force. S.I. unit of work is joule/Nm

    1Thank You

    Gaurav Seth 3 years, 9 months ago

    Work

    When a force acts on an object and the object actually moves in the direction of force, then the work is said to be done by the force.

    Work done by the force is equal to the product of the force and the displacement of the object in the direction of force.

    If under a constant force F the object displaced through a distance s, then work done by the force

    W = F * s = F s cos θ

    where a is the smaller angle between F and s.

    Work is a scalar quantity, Its S1 unit is joule and CGS unit is erg.

    ∴ 1 joule = 107 erg

    Its dimensional formula is [ML2T-2].

    2Thank You

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