Question

Rebecca is pushing her motorcycle down the road to a repair shop with a certain net force. If the net force is doubled, by how much does the acceleration change?

Answer 1

Answer:

If the net force is doubled the acceleration change in the same proportion, that is to say, it is doubled too.

Explanation:

We have that:

$F = ma$

From the equation above we see that the acceleration is directly proportional to the force, so hence if the force is doubled:

$F_{1} = ma_{1}$

$2F_{1} = ma_{2}  \rightarrow a_{2} = 2\frac{F_{1}}{m} = 2a_{1}$  

Therefore, If the net force is doubled the acceleration change in the same proportion, that is to say, it is doubled too.

I hope it helps you!