magnet
is that a multiple choice question?
Answer:

Explanation:
I'm assuming the units for force and mass are Newtons and kilograms, respectively.
Rearranging Newton's first law (F=m*a) to solve for acceleration:
F=m*a

The acceleration is 4 meters per second squared and was found by rearranging Newton's first law in order to solve for acceleration.
A. The answer is a because i had did research