関連ワード:  is work scalar or vector quantity    is work scalar or vector quantity in physics    work is scalar or vector quantity explain    is work done scalar or vector quantity    is work a scalar or vector quantity class 9    is work a scalar or vector quantity justify your answer    is work a scalar or vector quantity how is it represented    define work is it scalar or vector quantity    are work power and energy scalar or vector quantity    work is a scalar or vector quantity true or false