Question

Identify the surfaces between which friction takes place in the following cases:
a. Aspoon is used to stir a glass of milk.
b. A boy is walking on a concrete road.
C.Aman is turning a door knob to open the door.
d. A ship is sailing in water.
e. A nail is well-secured in the wall.
please answer it fast ...........​

Answer 1

Answer:

a nail is well secured in the wall