Answer :
Considering the definition of impulse, the impulse of the force is 11.06 N×s.
Impulse
Impulse is a term that quantifies the overall effect of a force acting over time.
In other words, the mechanical impulse of a force relates said force to the duration of its action. It is a vectorial magnitude that has the direction and sense of the force that produces it.
The impulse I is the product between a force and the time during which it is applied:
I= force× time
The unit of the impulse is the N×s (newton per second).
This case
In this case, you know:
- Force= 1400 N
- Time= 0.0079 seconds
Replacing in the definition of impulse:
I= 1400 N× 0.0079 s
Solving:
I= 11.06 N×s
The impulse of the force is 11.06 N×s.
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