What is the main difference between free weights and a universal machine?

Question

Universal machines build bigger muscles because they allow for more repetitions.

Universal machines are safer because the weights are not above the body.

Universal machines are for advanced weight lifters only.

There is no difference.

Answer 1

The main difference between free weights and a universal machine is that free weights provide more freedom of movement and engage more stabilizer muscles, while a universal machine is designed to target specific muscles and provide a guided range of motion.