1.

\begin{array} { l } { * ( 1 ) \text { Ravi applied a force of } 10 \mathrm { N } \text { and moved a } } \\ { \text { book } 30 \mathrm { cm } \text { in the direction of the force. How } } \\ { \text { much was the work done by Ravi? } } \end{array}

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Thx



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