<Dl> <Dd> W n ∝ n, (\ displaystyle W_ (n) \ propto n,) </Dd> </Dl> <Dd> W n ∝ n, (\ displaystyle W_ (n) \ propto n,) </Dd> <P> where W is the weight of the collection of similar objects and n is the number of objects in the collection . Proportionality, by definition, implies that two values have a constant ratio: </P> <Dl> <Dd> W n n = W m m (\ displaystyle (\ frac (W_ (n)) (n)) = (\ frac (W_ (m)) (m))), or equivalently W n W m = n m . (\ displaystyle (\ frac (W_ (n)) (W_ (m))) = (\ frac (n) (m)).) </Dd> </Dl>

Describe where the center of mass of a hammer is