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
magnetic force
Magnetic field and Field lines
Question 1 What is a magnet? Question 2 Define the term magnetic field? Question 3 Define magnetic force? Question 4 What are magnetic lines of forces? Question 5 What does very close field lines indicate? Question 6 Define uniform magnetic field? Question 7 Define non-uniform magnetic field? Question 8 Draw the pattern of field lines due to bar … [Read more...] about Magnetic field and Field lines