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Impulse is defined as the product of the average force applied to an object and the time duration for which that force is applied. Mathematically, it can be expressed as:

Impulse = Force × Time

In this scenario, the force applied is 10 N, and it acts for a duration of 1.5 seconds. When we calculate the impulse, we multiply these two values:

Impulse = 10 N × 1.5 s = 15 N·s

Thus, the impulse delivered to the object is 15 N·s. This indicates the change in momentum of the object resulting from the force applied over that time interval. Understanding the concept of impulse is essential in physics because it connects force, time, and momentum in a clear manner, allowing for the analysis of how forces affect moving objects.