Question

Please answer this question in full explained format​

Answer 1

Answer: - 0.375 N

Explanation:

Mass of object = 30 g = 0.03 kg (m)

Acceleration = Slope of graph = (v2 - v1)/(t2 - t1) = (50 m/s)/(4 s) = 12.5 m/s² (a)

[Or use a = (v - u)/t instead.]

Now,

Opposing force = - ma

=> F(o) = - (0.03 kg)(12.5 m/s²) = - 0.375 N.