Final answer:
The force necessary to accelerate an object can be determined using Newton's second law, F = m × a, where F is the force, m is the mass, and a is the acceleration.
Step-by-step explanation:
The subject of this question is Physics, at the High School level, dealing with the concepts of force, mass, and acceleration, according to Newton's second law of motion.
To find the force needed to accelerate an object, use the formula F = m × a, where F is force, m is mass, and a is acceleration. For example, to accelerate a 5-kg object at 20 m/s², the required force is F = 5 kg × 20 m/s² = 100 N. Similarly, to find the drag force on a barge, subtract the drag force from the product of mass and acceleration. For an object with mass m accelerating at a, the force is simply the product of these two values.