関連ワード:  work done is a scalar quantity true or false    work done is a vector quantity true or false    work is a scalar quantity. true false    work done by an object is a vector quantity true or false    work is a vector quantity true or false    work done is a scalar quantity or not    work is a scalar or vector quantity true or false    is work a scalar quantity    is work done a vector or scalar quantity    is work is scalar or vector quantity  
結果 : work done is a scalar quantity true or false