The crate is being pulled by the man as shown. Given that the coefficient of the horizontal surface and the 750-lb crate is 0.35, find the pulling force on the rope the man should apply to put the crate in impending motion F =

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter9: Moments And Products Of Inertia Of Areas
Section: Chapter Questions
Problem 9.46P
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1. The crate is being pulled by the man as shown. Given that the
coefficient of the horizontal surface and the 750-lb crate is 0.35,
find the pulling force on the rope the man should apply to put
the crate in impending motion
F =

2. Determine the weight of block B for the 250N block A not to slide
down in the inclined plane. Given that the coefficient of static
friction in the 45° inclined plane is 0.25 and in the 30° inclined
plane is 0.3. (Assume frictionless pulley)
WB =

30
Transcribed Image Text:30
В
A
Smooth
surface
45°
30°
Transcribed Image Text:В A Smooth surface 45° 30°
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