a pair of action and reaction is involved when the ball is hit by the racket.

Compare the direction and size of fore

3. Mr. Mar shots a small ball on the ground. Its path in the air is shown below. die \"I... a' \"x I K. i I fill) The ball reaches the\" \\ x I highest point on the x I WGY- \\ . . _ . I . "(l) The ball starts flying. (Ill) The ball is about to land on the ground. (a) In the gure above, draw arrows to represent the air resistance acting on the ball at points (I), (II) and (III). (3 marks) [b) [i) Beside air resistance, name a force acting on the ball when it travels. (I mark) (ii) Compare the size of the force in {b)[i) when the ball is at (I) and when it is at (H). (1 mark) ,_.- (c) The mass of the ball is 59 g and the ratio of weight to mass is 9.8 N kg-l. Find out the weight of it on the Earth. Show the steps clearty and correct the answer to 3 sig. fig. (2 marks) (d) If the ball is shot on the Moon, how does the highest point the ball can reach change? Explain. [3 marks)