Answer:
According to the given information, the force (F) is directly proportional to the acceleration (a). This can be represented as F = k * a, where k is the constant of proportionality.
Using the first scenario where F = 16 N and a = 8 m/s², we can calculate the value of k:
16 N = k * 8 m/s²
k = 16 N / 8 m/s²
k = 2 N*s²/m
Now, in the second scenario where a = 5 m/s², we can find the force (F) using the value of k:
F = k * a
F = 2 N*s²/m * 5 m/s²
F = 10 N
So, when the acceleration of the object becomes 5 m/s², the force acting on it is 10 N
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