Friction& Air Resistance 🌸

Question 1

Friction

Answer 1

• is a force like any other force and affects motion
• acts on materials that are in contact with each other
• always opposes relative motion

Question 2

Static friction

Answer 2

• ask in response to a force trying to start an object moving
• if there is no force the static friction is zero
• if there is the force the static. Friction force will increase up to a maximum value then starts