Joke Collection Website - Talk about mood - There is a Hercules who can lift heavy objects such as a stone mill. Can Hercules mention himself? Tell me your reasons.

There is a Hercules who can lift heavy objects such as a stone mill. Can Hercules mention himself? Tell me your reasons.

I can't.

According to the stress analysis.

Hercules can lift things because his force is an external force relative to the stone roll.

According to Newton's law, only external force can change the motion state of an object (static or uniform)

Hercules cannot lift himself.

First of all, see Hercules as a system.

The force exerted by Hercules on himself is the internal force of the system, and no matter how complex the system is, the forces will cancel each other out.