A 40 kg wooden crate is being pulled across a wooden surface by a force (of magnitude F) that is angled 20° above the horizontal. The coefficient of static friction is 0.5 and the coefficient of kinetic friction is 0.3. Calculāte the minimum force F (in N) that must be exerted to get the crate moving.

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter5: Displacement And Force In Two Dimensions
Section5.3: Forces In Two Dimensions
Problem 39PP
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A 40 kg wooden crate is being pulled acrss
a wooden surface by a force (of magnitude
F) that is angled 20° above the horizontal.
The coefficient of static friction is 0.5 and
the coefficient of kinetic friction is 0.3.
Calculāte the minimum force F (in N) that
must be exerted to get the crate moving.
Transcribed Image Text:A 40 kg wooden crate is being pulled acrss a wooden surface by a force (of magnitude F) that is angled 20° above the horizontal. The coefficient of static friction is 0.5 and the coefficient of kinetic friction is 0.3. Calculāte the minimum force F (in N) that must be exerted to get the crate moving.
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