Answer:
The object with the greatest acceleration is the one with the mass of 5 kg. Option A
Explanation:
The conclusion is easy for getting because we can use all the given options in the equation of newton for the mass, the force, and the acceleration. We can all the results in the attached image.
Note: We can realize that for a given force, while the mass of the object is less it will be more easy to accelerate it.
