Answer:
the average force exerted by the rain on the roof is 1.065 N
Explanation:
Given;
speed of the rainfall, v = 15 m/s
the mass of the rate of the rainfall, m' (m/t) = 0.071 kg
Let the average force exerted by the rain on the roof = F
The average force exerted by the rain on the roof is calculated by Newton's second law of motion;
[tex]F = ma = m \frac{v}{t} = \frac{m}{t} \times v \\\\Recall, \ m' = \frac{m}{t} \\\\F = m'\times v\\\\F = 0.071 \times 15\\\\F = 1.065 \ N[/tex]
Therefore, the average force exerted by the rain on the roof is 1.065 N
