Question 2 The man is pushing the dresser (of uniform weight) across a laminate surface. The dresser has a weight of 80 Ib, and the coefficient of friction, µ, = 0.25. If the man pushes in the direction 30 2m shown. a) Determine the smallest force F 1.5m necessary to slide the dresser. (slipping). Fs=22016 b) Determine the smallest F necessary to tip the dresser. F;= 267.5 Hb c) Which way will the dresser move first? d) The man has a weight of 150 lb. given the answer to part a and b, determine the minimum coefficient of friction between the man's shoes and the floor so that he doesn't slip. Ms= 0.17}

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.73P: The normal pressure acting on the disk of the sander is given by p=(4/3)+(r2/6), where p is the...
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Question 2
The man is pushing the dresser (of
uniform weight) across a laminate
surface. The dresser has a weight of 80
Ib, and the coefficient of friction, µs =
0.25. If the man pushes in the direction
30
2m
shown.
a) Determine the smallest force F
necessary to slide the dresser.
(slipping).
1.5m
Fs=2701b6
b) Determine the smallest F necessary to tip the dresser.
F;= 267.5 bb
c) Which way will the dresser move first?
d) The man has a weight of 150 lb. given the answer to part a and b, determine the minimum
coefficient of friction between the man's shoes and the floor so that he doesn't slip.
Mg= 0.171
Transcribed Image Text:Question 2 The man is pushing the dresser (of uniform weight) across a laminate surface. The dresser has a weight of 80 Ib, and the coefficient of friction, µs = 0.25. If the man pushes in the direction 30 2m shown. a) Determine the smallest force F necessary to slide the dresser. (slipping). 1.5m Fs=2701b6 b) Determine the smallest F necessary to tip the dresser. F;= 267.5 bb c) Which way will the dresser move first? d) The man has a weight of 150 lb. given the answer to part a and b, determine the minimum coefficient of friction between the man's shoes and the floor so that he doesn't slip. Mg= 0.171
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