When a force acts on a ball of mass 150 g for 0.1 sec, it produces an acceleration of 20 m/s2. What is the value of this impulsive force?
Answer & explanation
Correct answer: option 1
Impulse : \(I = F \Delta t\)
\(F = m * a\)
\(F = \frac{150}{1000} \text{ kg} * 20 \text{ m/s^2}\)
\(F = 3 \text{ N}\)
\(I = 3 \text{ N} * 0.1 \text{ sec}\)
\(I = 0.3 \text{ N-s}\)