The answer for this question is negative externality
A, electromagnetic radiation
Answer:
F1= 588 N
F2= 784 N
Explanation:
Please see the attached file.
A or possibly C because the other options have nothing to do with the size of the vibration. If i was you I would answer with A
Gravity on Earth = 10N/Kg
10N/Kg * 35Kg =350N