Question

Classify the following into contact force and non contact force.
i) Earth revolving around the sun.
ii) Drawing water from a well
iii) Applying brake in a bicycle.
iv) A magnet attracting a nail.​

Answer 1

Answer:

i) non contact force

ii) non contact force

iii) contact force

iv) non contact force

Answer 2

Answer:

i) non contact force

ii) non contact force

iii) contact force

iv) non contact force

hope this helps

Explanation: