A Wooden Ball Is Tied to the Bottom of a Swimming

question 21

Multiple Choice

A wooden ball is tied to the bottom of a swimming pool by a string.What is the tension in the string if the ball's diameter is 0.15 m and its mass is 144 g? The water in the pool is fresh water,1000 kg/m³ density.

• A) 0.35 N
• B) 12.7 N
• C) 14.1 N
• D) 1.78 N