3. You shake your hands with your friend. Name the forces that come into play during the moment you shake your hand. Explain any of that force
Answers
Answer:
I think its whirling motion.
Answer:
When you shake hands with your friend since you hand doesn't merge with your friend's :-)
Hence there is contact stresses. Next is the shaking movement by shoulder muscles which when synchronized with your friends movement gives least load else there is the feeling of dead weight or in scientific terms a lagging or leading force hope you could visualize it
Nice question though:-)
Best way to know is if you really want to know chase your intuition and know which force is there by just applying that forceElectromagnetic Force
Because when i shake my hand with my friend, there will be friction and friction is originated from electromagnetic forces and exchange forces between atoms and molecules.A “firm” handshake, while being sensitive to the firmness of their handshake, I will adjust my firmness to suit. Cheers
Contact force is electromagnetic force hence shaking hand is electromagnetic force