Activity: Directions: Encircle the letter of the correct answer. 1. What force is produced when two objects rub against each other? a. gravity Chori c. friction b. air resistance d. balance force 2. What is the direction of friction relative to the object's motion? towards c. parallel C. opposite d. similar 3. What happens to a moving object when acted upon by another object? a. It will stop It will continue to move b. It will start d. It will keep on spinning 4. In which of the following object will our shoes interact to produce friction while we are walking? a. road C. feet b. toes d. air 5. When a bird flies, in which object will the wings of the bird rub to produce friction? air c. light of sun b. feathers d. claws a.​