Answer:
a. when the acceleration of the objects become negative
Answer:
A
Explanation:
The acceleration of an object is directly proportional to its net force.

<span>NO.
Air resistance does not affect the motion of a falling object differently when the mass is greater because the mass of an object does not in any way affect the speed of falling due to gravity, and air resistance depends only on the speed of the object and its surface area.</span>
Neither technician is correct.
Please don't touch my car.