Chapter 11

Study Guide

 

Chapter 11 pages 346-365

Know all Key Terms

Study Worksheets

 

I.                   Newton’s 1^st Law

-         Inertia- related to mass

-         Example seat belts

-         Unbalanced forces

II.                Newton’s 2^nd – know definitions

-         Unbalanced force on the motion of object

-         F= ma

-         1 N = 1 kg x 1 m/s²

-         1 N = .225  lb.    Or  1 lb. = 4.448 N

III.             Gravity

-         Law of Universal Gravitation

-         All objects in universe attract each other through gravitational force

-         Know relationships to mass and distance

-         Free fall- know definition and examples

-         Weight = mass x gravity

-         Weightlessness

-         Terminal velocity- know skydiver example

-         Orbiting objects

-         Projectile Motion- Figure 13 page 358

Curved path and components

IV.              Newton’s 3^rd Law

-         Action forces: examples

-         Reaction forces: examples

-         Occur in pairs

-         Momentum- definition and equation

-         Changes in momentum:

                                                              i.      Conserved

                                                            ii.      Transferred