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If work done is a scalar …

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If work done is a scalar quantity then why do we have positive and negative form of work?

    • Posted by Nancy Rajput 7 years, 1 month ago

    CBSE > Class 11 > Physics
    • 6 answers

    Devashri Kulkarni 7 years ago

    Work done is a scalar quantity as it is a dot product of two vector quantities (W=F.S) , and dot product of any two quantities is a scalar quantity. Infact dot product is also known as scalar product. But since force and displacement are vector quantities they can be negative in value and hence work done can also turn out to be negative.

    1Thank You

    Subam Sihag 7 years ago

    Work done is scaler quantity bcz dot product of two vector quantity is always scaler (W=F.D)

    1Thank You

    Aman Kumar 7 years ago

    That what I m saying. It is vector quantity

    0Thank You

    Isha Bhardwaj 7 years, 1 month ago

    I think work done is not a scalar quantity bcoz , It is product of force and displacement and these both are vector quantities....

    0Thank You

    Nancy Rajput 7 years, 1 month ago

    you explain me in detail

    0Thank You

    Aman Kumar 7 years, 1 month ago

    R u sure work done is scaler quantity... Because W.D= force ×displacement... And displacement has direction and direction can be positive or negative... If u r confused than sry.. I can't able to give this answer.

    0Thank You

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