Question 1 What are non-contact forces. Give few examples? Question 2 When a plastic pen is rubbed in dry hair, it attracts tiny pieces of paper. Which force is involved in this process? Question 3 A small piece pulls iron nails from a distance. Which force is involved in this process? Question 4 An inflated balloon was pressed against a wall after it has been rubbed … [Read more...] about Non-contact forces