The dresser has a weight of 60 lb and is pushed along the floor as shown in. Assume h = 4 ft. The coefficient of static friction at A and B is Hs=0.34 and the coefficient of kinetic friction is = 0.2.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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B3
The dresser has a weight of 60 lb and is pushed along the floor as shown in.
Assume h = 4 ft. The
coefficient of static
friction at A and B is
s = 0.34 and the
coefficient of kinetic
friction is μ = 0.2.
2.5 ft
-1.5 ft-1.5 ft-
B
h
P
Transcribed Image Text:The dresser has a weight of 60 lb and is pushed along the floor as shown in. Assume h = 4 ft. The coefficient of static friction at A and B is s = 0.34 and the coefficient of kinetic friction is μ = 0.2. 2.5 ft -1.5 ft-1.5 ft- B h P
Determine the smallest horizontal force P needed to cause motion.
Express your answer in pounds to three significant figures.
Part B
Submit
11
vec
15. ΑΣΦ
▾ Part C
Request Answer
If force P is increased slightly, determine the acceleration of the dresser.
Express your answer in feet per squared second to three significant
figures. Enter positive value if the acceleration is to the right and negative
value if the acceleration is to the left.
vec
195] ΑΣΦ. 41
Submit Request Answer
?
?
Ib
ft/s²
Also, what are the normal reaction at A and B when it begins to move?
Express your answers in pounds using three significant figures separated
by a comma.
Transcribed Image Text:Determine the smallest horizontal force P needed to cause motion. Express your answer in pounds to three significant figures. Part B Submit 11 vec 15. ΑΣΦ ▾ Part C Request Answer If force P is increased slightly, determine the acceleration of the dresser. Express your answer in feet per squared second to three significant figures. Enter positive value if the acceleration is to the right and negative value if the acceleration is to the left. vec 195] ΑΣΦ. 41 Submit Request Answer ? ? Ib ft/s² Also, what are the normal reaction at A and B when it begins to move? Express your answers in pounds using three significant figures separated by a comma.
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