B is the answer to your question
Answer:
the object with greater mass will experience a smaller acceleration and the object with less mass will experience a greater acceleration.
Explanation:
According to Newton's second law, when the same force is applied to two objects of different masses, the two objects will change mass.
Answer:
an upward buoyant force and a downward force of gravity.
If you give us the situation described then I'll be able to help.