Q: Experiments have shown that acceleration is exactly inversely proportional to mass, just as it is exactly linearly proportional to what?


Read this paragraph and choose the correct option from the provided answers:

where m is the mass of the system. Experiments have shown that acceleration is exactly inversely proportional to mass, just as it is exactly linearly proportional to the net external force.

 Choices:

- net internal force

- speed

- kinetic energy

- net external force


A:
net external force