Objectives: Describe how machines
make work easier
Announcements: Extra credit for
coming with parents & journal to
conferences
Opener: How many Watts of power
are used when Josh lifts a 4 N Big Mac
0.25 m from the table to his mouth if it
only takes 2 s?
Work, Power & Simple Machines link
Homework: Bring mousetrap car supplies
on Monday.
Call for general supplies...
Tape, glue, cable ties, screws, washers,
nuts & bolts, eye-hooks, paints, brushes, CDs,
Records, other wheel materials, etc.
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