Newton's+1st+Law+Basics

Newton's 1st Law/Law of Inertia 1a Without an unbalanced force, an object in motion will stay in motion. 1b Without an unbalances force, an object at rest will stay at rest. 2 Application: An objects state of rest or motion will not change without an unbalanced force. 3 Friction occurs when matter slides past other matter. 4 Air resistance is matter sliding past air like a falling feather 5 Gravity accelerates falling objects at 9.8 meters per second per second