What kind of friction comes into play:
(a) When a block of wood kept on table moves slowly?
(b) When a block of wood kept on table just tends to move ( or slip)
(c) When a block of wood kept on cylindrical iron rods moves
What kind of friction comes into play:
(a) When a block of wood kept on table moves slowly?
(b) When a block of wood kept on table just tends to move ( or slip)
(c) When a block of wood kept on cylindrical iron rods moves