Energy, Work, and Simple Machines


Objectives

Energy and Work - 10.1
Students will...
  • describe the relationship between work and energy
  • calculate work
  • calculate the power used
in order to explain the concepts of Energy, Work and their .

Vocabulary terms to know:
  • work
  • energy
  • kinetic energy
  • work-energy theorem
  • joule
  • power
  • watt

Problem Set:
Day 1:
In-class: 35-39, 42-47, pg 278;
Homework: 15- 23, pg 265
Quiz - Next Class: Calculating work, calculating kinetic energy, the relationship between them, basic definitions...

Day 2: - Problem Solving

Objective:

Students will solve problems involving work, energy, and power
in order to explain the concept of work and it relationship to power and energy.

Problem solving - Guided practice...
practice problems:
  • 1 - 3, pg 261
  • 4 - 8, pg 262
  • 9-14, pg 264



Day 3 - Lab

Objective:

Students will
  • predict the factors that affect power
  • calculate the power developed
  • define power operationally
  • interpret force, distance, work, time and power data.
  • make and use graphs of work versus time, power versus force, and power versus time.
in order to explain the concept of power and energy.