Inquiry Into Physics
8th Edition
ISBN: 9781305959422
Author: Ostdiek, Vern J.
Publisher: Cengage Learning,
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Textbook Question
Chapter 3, Problem 14P
. In Figure 3.10, the rock weighs 100 lb and is lifted 1 ft by the lever.
(a) How much work is done?
(b) The other end of the lever is pushed down 3 ft while lifting the rock. What force had to act on that end?
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Inquiry Into Physics
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