Question

De Bary
4. Two objects repel each other. This
repulsion could be due to
frictional force only​

Answer 1

Answer:

Frictional force is applied along the surfaces and depends on contact. hence it is not a repulsive force.

Electrostatic and magnetic forces can be either attractive or repulsive. Here, when two objects are experiencing repulsive force because there may be an electrostatic force or a magnetic force.

Answer 2

Answer:

sorry? what is your question again?

this is because of magnetic force and may be the unlike poles are brought together so they repel