Q: A constant force acts on an object of mass 5 kg for a period of 2 seconds. This increases the velocity of the object from 4 ms-1 to 7 ms-¹. Find the amount of force used.
A.
5.5 N
B.
8.5 N
C.
7.5 N
D.
4.8 N
Correct Answer:
Option C -
Explanations:
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