It can be difficult to get the nose to drop in a Cessna 172. It is more likely to sink in a nose high attitude. Ideal for landing!
I spend all day watching students learning to land. All the problems I see are caused by trying to land too fast.
India Four Two explained how to calculate the landing speed for the actual aircraft you are flying at the weight it is at now.
There's a flight school near me teaches 70 knots in a Warrior f'christ sake. What chance do the students have?