PDF chapter test TRY NOW

Look the image and answer the following questions:
 
1.
  
StockSnap_SG6J7Q209K (1).jpg
 
a) Name the force which acts in the above image
 
b) Is it contact or non contact force?
 
2.
 
Openstax_college-physics_22.3_various-magnets (2).jpg
 
a) Name the force which acts in the above image
 
b) Is it contact or non contact?