The crate shown has a mass of m 20 kg and is being pulled up a plane at 0 25 degrees (to the horizontal) by a cord parallel to the plane, as shown in the following figure: mass m You are given that the coefficient of friction is u = 0.3. State the following: The component of weight parallel to the surface: N. The component of weight perpendicular to the surface: N. The normal reaction: N. The frictional force: N. Calculate the magnitude of the tension, P, in the chord necessary to give an acceleration parallel to the plane of 4 m/s². P is equal to N.

The crate shown has a mass of m 20 kg and is being pulled up a plane at 0 25 degrees (to the horizontal) by a cord parallel to the plane, as shown in the following figure: mass m You are given that the coefficient of friction is u = 0.3. State the following: The component of weight parallel to the surface: N. The component of weight perpendicular to the surface: N. The normal reaction: N. The frictional force: N. Calculate the magnitude of the tension, P, in the chord necessary to give an acceleration parallel to the plane of 4 m/s². P is equal to N.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.72P

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