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# Ch 12.2 Newton's First and Second Laws of Motion

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Author: deirdre carney
##### Description:
• Describe Newton's first law of motion and its relation to inertia
• Describe Newton's second law of motion and use it to calculate acceleration, force, and mass values.
• Relate the mass of an object to its weight

P.12.B.1 Students know laws of motion can be used to determine the effects of forces on the motion of objects. E/S

Next Generation Science Standards

HS-PS2-b Use mathematical expressions to support the claim that the total momentum of a system of objects is conserved when there is no net force on the system.

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Tutorial

## Chapter 12.2 Newton's 1st and 2nd Laws of Motion

Read Chapter 12.2 Newton's 1st & 2nd Laws of Motion
Outline the reading in your Science Notebook & include major points and diagrams/tables.
You should focus on the following essential questions:
-How does Newton's first law relate change in motion to a zero net force
- How does Newton's second law relate force, mass, and acceleration
- How are weight and mass related

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Source: Prentice Hall Physical Science - Concepts in Action

## Video Clip: Calculating Velocity and Acceleration

This is part 1 of 3. Part 1 introduces acceleration and Newton's 2nd Law of Motion. Part 2 continues how to work practice problems about velocity, acceleration, and Newton's 2nd Law of Motion

What is the acceleration of a 1200-kg car acted on by a net force of 250N?

## Video Clip: Calculating Velocity and Acceleration Part 2 of 3

Watch video and take notes on the steps for solving these types of problems in your science notebook.

## Video Clip: Calculating Force Mass Acceleration Part 3 of 3

Watch video and take notes on the steps for solving these types of problems in your science notebook.

## Calculating F=MA practice problems

Go to the following site to practice problems. Use answers to check your calculations. Be sure to print out the page when completed. Include all your work shown on notebook paper.

http://highered.mcgraw-hill.com/sites/0072509775/student_view0/chapter4/practice_problems.html

Source: McGraw Hill

## Calculating Force, Mass, acceleration problems

Calculate problems using the formula: F=MA. Show all of your steps on your paper.

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