Monday, November 14, 2022. Day 2

Do Now:

Homework to be Completed:

Todays Agenda:

Review results from the 1st Law Mini-Lab

• Discuss Take-aways and complete worksheet.

• Collect to score

Review PARTS C through E OF THE LESSON 3 OUTLINE

• MHGR8 CH14 FORCES AND NEWTON’S LAWS - LESSON 3 READING, PAGES 512-514

Class Notes:

Newton’s 1st Law

1. If the net force acting on an object is zero, motion does not change.

   • does not mean there is no motion - just no CHANGE in motion

   • stopped or constant velocity

2. Also called Law of Inertia

   • inertia is the tendency of an object to resist motion in proportion to its mass

   • objects do not change motion unless an unbalanced force acts upon them.

3. Balanced forces - net force = 0

   • object at rest

   • object maintains constant speed and direction (velocity)

4. Unbalanced froces (Net force >0)

   • object speeds up

   • object slows down

   • object turns

Newton’s second Law of motion

1. The acceleration of an object is equal to the Net force acting on it divided by its mass

   • A = Fnet/M. also F = M x A

   • If mass increases, acceleration becomes less

   • If mass decreases, acceleration becomes more