For the system of blocks shown, a horizontal force P impends the motion of block A upwards. The coefficients of friction are 0.25 between block A and the incline and 0.318 between the rope and the pu WA = 1000 N

For the system of blocks shown, a horizontal force P impends the motion of block A upwards. The coefficients of friction are 0.25 between block A and the incline and 0.318 between the rope and the pu WA = 1000 N

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter5: Further Applications Of Newton's Laws: Friction, Drag, And Elasticity

Section: Chapter Questions

Problem 19PE: Repeat Exercise 5.18 with the contestant pulling the block of ice with a rope over his shoulder at...

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Concept explainers

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

Question

Determine: - tension force (N) at block A - resultant force of the friction and normal force (N) between block A and inclined surface - Value of force P (N)

For the system of blocks shown, a horizontal force P impends the motion of block A upwards. The
coefficients of friction are 0.25 between block A and the incline and 0.318 between the rope and the pulley.
WA= 1000 N
WB=200 N
45°
Determine the value of force P (in N).
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