Answer
Two forces
1) Drag force ( Air resistance) ( contact force )
2) Gravitational force ( Long range force )
b)
1) Drag force ( Air resistance)
Agent of Drag force is air
2)
Agent of gravitational force is Earth interaction with the coin
Work Step by Step
Two forces
1) Drag force ( Air resistance) ( contact force )
2) Gravitational force ( Long range force )
b)
1) Drag force ( Air resistance)
Agent of Drag force is air
2)
Agent of gravitational force is Earth interaction with the ball