A 1,500 kg crate hangs motionless from a crane cable. What is the tension in the cable? Ignore the mass of the cable.
Suppose the crane accelerates the crate upward at 1.2 m/s2. What is the tension in the cable now?
Suppose the crane accelerates the crate upward at 1.2 m/s2. What is the tension in the cable now?