関連ワード:  is speed a vector or a scalar quantity    is speed a vector or a scalar quantity menu    is force a vector or a scalar quantity    is velocity a vector or a scalar quantity    is mass a vector or a scalar quantity    is force a vector or a scalar quantity menu    is velocity a vector or a scalar quantity menu    is magnetic force a vector or a scalar quantity    is magnetic force a vector or a scalar quantity class 7    is magnetic force a vector or a scalar quantity answer  
結果 : is speed a vector or a scalar quantity