Help answer the questions above

Answer: i think i have number one (this might be wrong but i tried and its what i got taught)
Explanation:
as you can see the two people are pushing it right but if you pay attention to where the arrows point and the length it shows there is more chance of it moving (on my hand) right as there isn't enough force to move it left and the small arrow underneath the chest is the friction and how much friction it causes
Answer:
See below
Explanation:
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