What are the differences between using a 35 lb barbell and a 45 lb barbell for weightlifting?

The main difference between using a 35 lb barbell and a 45 lb barbell for Weightlifting is the amount of weight you are lifting. The 45 lb barbell will require you to lift more weight, which can increase the intensity of your workout and potentially lead to greater strength gains. However, using a 35 lb barbell may be more suitable for beginners or those looking to focus on technique before increasing weight.