Final answer:
The location of the center of gravity is typically at the geometric center for uniform objects, but the student's question is incomplete as it doesn't specify the location. Tension in a lifting cable can be calculated with the formula T = mg for a given mass.
Step-by-step explanation:
The center of gravity (CG) of an object is the point at which the entire weight of the object can be considered to act. In the case of a uniform box or container being hoisted, if there are no other specifications given, it is typically assumed that its center of gravity is at its geometric center. However, the provided statement is incomplete and does not specify the location of the center of gravity for the container. To calculate forces such as tension in a cable or forces at an axle during lifting, it is essential to know the exact location of the center of gravity.
Concerning the examples given, the formula to calculate tension (T) in the lifting cable for a mass (m) is given by T = mg, where g is the acceleration due to gravity. For instance, a 5.00-kg mass would have a tension of 49.0 N (T = (5.00 kg) × (9.80 m/s²)).