Eli5: how can you roll start a manual vehicle but not an automatic vehicle?

Question

Eli5: how can you roll start a manual vehicle but not an automatic vehicle?

In: Other

Answer 1

Manuals have a clutch, automatics have a torque converter, the clutch locks the engine to the wheels without slipping (if if in all the way) whereas a torque converter allows the engine to slip at lower RPMS, so you can’t easily force the engine to turn over.