Two boxes are connected by a massless string, passing over a massless frictionless pulley. The boxes remain at rest, with one hanging and the other one is 2.0 meters from the bottom of an inclined surface that makes an angle of 60° with the horizontal. The coefficients of kinetic friction and static friction between the left box and the plane are 0.15 and 0.30, respectively. 10 kg- 10 kg 60° Find the tension in the string. b. What is the magnitude of the frictional force acting on the box on the surface? When the string is cut, how much mechanical energy is lost as the left box slides the surface? d. а. с. Determine the speed of the left box when it reaches the bottom of the inclined surface.

Two boxes are connected by a massless string, passing over a massless frictionless pulley. The boxes remain at rest, with one hanging and the other one is 2.0 meters from the bottom of an inclined surface that makes an angle of 60° with the horizontal. The coefficients of kinetic friction and static friction between the left box and the plane are 0.15 and 0.30, respectively. 10 kg- 10 kg 60° Find the tension in the string. b. What is the magnitude of the frictional force acting on the box on the surface? When the string is cut, how much mechanical energy is lost as the left box slides the surface? d. а. с. Determine the speed of the left box when it reaches the bottom of the inclined surface.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: More Applications Of Newton’s Laws

Section: Chapter Questions

Problem 46P: An aluminum block of mass m1 = 2.00 kg and a copper block of mass m2 = 6.00 kg are connected by a...

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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?”

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Two boxes are connected by a massless string, passing over a massless frictionless pulley. The boxes remain at rest, with one
hanging and the other one is 2.0 meters from the bottom of an inclined surface that makes an angle of 60° with the horizontal.
The coefficients of kinetic friction and static friction between the left box and the plane are 0.15 and 0.30, respectively.
10 kg-
10 kg
60°
Find the tension in the string.
b. What is the magnitude of the frictional force acting on the box on the surface?
When the string is cut, how much mechanical energy is lost as the left box slides the surface?
d.
а.
с.
Determine the speed of the left box when it reaches the bottom of the inclined surface.

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