Superlesson
Project 4-1

Foundations of Algebra and Geometry

Chapter 4, Equations

Sir Issac Newton was a famous physicist long before Einstein was born. He came up with equations to describe the forces in the world we can see. Learn more about Newton's Laws at this Web site.

Part A, Using Formulas

1. Using the information found at the Newton's Laws Web site, answer the following questions.

a. What is Newton's Second Law?

b. Suppose the value of a, the acceleration (measured in meters per second²), is 10, and the value of m, the mass (measured in kg), is 2. What is F, the force applied (measured in Newtons)?

c. If an acceleration of 10 meters per second² is applied to an object with a mass (m) of 4 kg, what is the force that is applied?

d. If an acceleration of 10 meters per second² is applied to an object with a mass (m) of 5 kg, what is the force that is applied?

2. Based on your answers to 1, approximately how much force do you think would need to be applied to an object with a mass of 10 kg to achieve an acceleration of 10 meters per second²?

Part B, Using Number Sense

3. Using your number sense, answer the following questions.

a. If F = 16 Newtons and m = 4 kg, what is a?

b. If F = 84 Newtons and m = 12 kg, what is a?