NameSectionProblem 2Block A of mass 8.0 kg and block X are attached to a rope that passes over a pulley. A 50-N !force P is applied 30° above the horizontal to block A (as shown in the figure), keeping it incontact with a rough vertical face. The coefficients of static and kinetic friction between thewall and block A are u, = 0.40 and ug = 0.30. The pulley is light and frictionless.a)descending. What is the mass of block X? Draw the free body diagram of both blocks andlabel the forces clearly.b)IS tne acceleration of the blocks? Draw the free body diagram of both blocks and label theforces clearly.ts] In the figure, the mass of block X is adjusted until block A is on the verge ofi] If the mass of block X is adjusted to 2.0 kg, block A will accelerate down. WhatroughHs=0.40H=0.30A30°

For equilibrium horizontal and vertical forces must be balanced. If system is accelerated F = ma

Problem 2 Block A of mass 8.0 kg and block X are attached to a rope that passes over a pulley. A 50-N orce P is applied 30° above the horizontal to block A (as shown in the figure), keeping it in ontact with a rough vertical face. The coefficients of static and kinetic friction between the vall and block A are u, = 0.40 and µk = 0.30. The pulley is light and frictionless. ts] In the figure, the mass of block X is adjusted until block A is on the verge of descending. What is the mass of block X? Draw the free body diagram of both blocks and label the forces clearly. :] If the mass of block X is adjusted to 2.0 kg, block A will accelerate down. What IS tne acceleration of the blocks? Draw the free body diagram of both blocks and label the forces clearly. rough H0.40

Problem 2 Block A of mass 8.0 kg and block X are attached to a rope that passes over a pulley. A 50-N orce P is applied 30° above the horizontal to block A (as shown in the figure), keeping it in ontact with a rough vertical face. The coefficients of static and kinetic friction between the vall and block A are u, = 0.40 and µk = 0.30. The pulley is light and frictionless. ts] In the figure, the mass of block X is adjusted until block A is on the verge of descending. What is the mass of block X? Draw the free body diagram of both blocks and label the forces clearly. :] If the mass of block X is adjusted to 2.0 kg, block A will accelerate down. What IS tne acceleration of the blocks? Draw the free body diagram of both blocks and label the forces clearly. rough H0.40

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

Name
Section
Problem 2
Block A of mass 8.0 kg and block X are attached to a rope that passes over a pulley. A 50-N !
force P is applied 30° above the horizontal to block A (as shown in the figure), keeping it in
contact with a rough vertical face. The coefficients of static and kinetic friction between the
wall and block A are u, = 0.40 and ug = 0.30. The pulley is light and frictionless.
a)
descending. What is the mass of block X? Draw the free body diagram of both blocks and
label the forces clearly.
b)
IS tne acceleration of the blocks? Draw the free body diagram of both blocks and label the
forces clearly.
ts] In the figure, the mass of block X is adjusted until block A is on the verge of
i] If the mass of block X is adjusted to 2.0 kg, block A will accelerate down. What
rough
Hs=0.40
H=0.30
A
30°

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