Question 1 What are contact forces? Question 2 Name 2 types of contact forces? Question 3 Name the force which always opposes motion? Question 4 Which force makes a rolling ball stop of its own? Question 5 What is muscular force. Give example? Question 6 What is frictional force. Give example? Question 7 Name the type of force involved when a moving boat … [Read more...] about Contact force