A ball on a 1.4-meter long string is being whirled in mid-air in a horizontal circle at a constant speed v. The tension in the string is 100 N. The mass of the ball is 3.70 kg.
Question: What are the forces acting on the system?
Answer: Use DID TASC
Step 1: Draw diagram and coordinate system.
Step 2: Isolate the system.
Step 3: Draw all forces acting on the system: