Neutrons don't have any charge
It will be cloudy and there will be rain.
Hope this helps
Answer:
Part a)

Part b)

Explanation:
Part a)
For force conditions of two blocks we will have


now from above equations we have


now we know that


now from above equation we have


Part b)
When heavier block is removed and F = 908 N is applied at the end of the string then we have



Answer=8N
Explantion:
20-20=0
22-14=8N