06 Work & Machines

Work and Machines (Ch 6)

Objectives

Section 1:

    1. Explain the meaning of work. What is it?

    2. Describe how work and energy are related.

    3. Calculate work, force and distance from the equation: W = Fd

    4. Calculate power, work and time from the equation: W = Pt

Section 2:

    1. Explain how machines make doing work easier.

    2. Calculate the mechanical advantage of a machine.

    3. Calculate the efficiency of a machine.

Section 3:

    1. Describe the six types of simple machines.

    2. Explain how the different types of simple machines make doing work easier.

    3. Calculate the ideal mechanical advantage (IMA) of the different types of simple machines.

Spiritual Concept

Proverbs 12:24. Work hard and become a leader; be lazy and become a slave.

    1. How is work in this passage different from work described in your science book?