関連ワード:  is force a vector or scalar quantity    is force a vector or scalar quantity explain    is force a vector or scalar quantity what about mass    is velocity a vector or scalar quantity    is energy a vector or scalar quantity    is magnetic force a vector or scalar quantity    is force a vector or a scalar quantity menu    is gravitational force a vector or scalar quantity    is electric force a vector or scalar quantity    is centripetal force a vector or scalar quantity