1. A man drags a 150-lb crate across a floor by pulling on a rope inclined 15° above the horizontal. Note that weight is a force and lb is a unit of force. a. If the coefficient of static friction is 0.50, what tension in the rope is required to start the crate moving? Answer: 68.5 lb b. If μ = 0.35, what is the initial acceleration of the crate? Note that g = 32.2ft/2

1. A man drags a 150-lb crate across a floor by pulling on a rope inclined 15° above the horizontal. Note that weight is a force and lb is a unit of force. a. If the coefficient of static friction is 0.50, what tension in the rope is required to start the crate moving? Answer: 68.5 lb b. If μ = 0.35, what is the initial acceleration of the crate? Note that g = 32.2ft/2

Name: PS4-1Solve with complete step-by-step process / solution. 1. A man dra
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Description: PS4-1Solve with complete step-by-step process / solution. 1. A man drags a 150-lb crate across a floor by pulling on a rope inclined 15° above thehorizontal. Note that weight is a force and lb is a unit of force.a. If the coefficient of static fricti

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter6: Applications Of Newton's Laws

Section: Chapter Questions

Problem 114AP: A 15-kg sled is pulled across a horizontal, snow-covered surface by a force appiled to a rope at 30...

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8. A block is at rest on a rough inclined plane and is connected to an object with the same mass as shown. The rope may be considered massless; and the pulley may be considered frictionless. The coeffi- cient of static friction between the block and the plane is us; and the coefficient of kinetic friction is k 0 A. g D. g - Hk sin(0) m a. What is the magnitude of the static frictional force acting on the block? B.m g [1 - sin(0)] C. mg D. mg cos(0) B. g - Hk cos(0) A. m g sin(0) E. mg [1 - cos(0)] b. If the rope were cut between the block and the pulley, what would be the magnitude of the acceleration of the block down the plane? C. g [sin(0) - μ cos(0)] sin(0)] c. If the mass of the suspended object is doubled, what will be the acceleration of the block up the plane? B. g [2 tan(0) - uk sin(0)] D. 2g [μ sin(0) - cos(0)] m E. g [tan (0) A. g [2 - μk sin(0)] C. g [2 cos(0) - μ sin(0)] E. g [2 sin(0) Hk Cos (0)]. -
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A sled is on a horizontal surface and a rope with tension T is pulling on it at an angle 0 above the horizontal. The sled had mass M and does not move due to the frictional force. In this case the coefficient of friction is u,. In terms of the variables given and g, what is the magnitude of the frictional force in this case? Select one: a. H, Mgcos0 b. Tcose С. Tsin@ d. H, Mgsine
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