Question

1. Define the ball under the following headings: 

1. weight. 

2. circumference. 

3. air pressure. 

Answer 1

1. Weight of the ball = 260 to 280 gms 

2. Circumference of the ball = 65 to 67 gms 

3. Air pressure of the ball = 0.3 – 0.325 kgf/cm₂