A solid of mass M=2kg moves up an inclined plane by means of light an inextensible string pulled with a constant force F, of value F = 20N, along the line of greatest slope on the inclined plane. The angle formed by the inclined plane and the horizontal is 0=30. Given g =9.81m/s. The coefficient of friction is 0.2. 1. Draw a free body diagram showing the forces acting on the solid. 2. Apply the Second Law of Newton to calculate the 0-30. magnitude of the normal force acting on the solid. (Hints: 1- consider the x-axis to be along the inclined plane. 2- The angle between the gravitational force and the negative y-axis is equal to the angle of inclination) 3. Knowing that the coefficient of kinetic friction is 0.2, deduce the magnitude of the friction force. 4. Calculate the acceleration of the solid.

A solid of mass M=2kg moves up an inclined plane by means of light an inextensible string pulled with a constant force F, of value F = 20N, along the line of greatest slope on the inclined plane. The angle formed by the inclined plane and the horizontal is 0=30. Given g =9.81m/s. The coefficient of friction is 0.2. 1. Draw a free body diagram showing the forces acting on the solid. 2. Apply the Second Law of Newton to calculate the 0-30. magnitude of the normal force acting on the solid. (Hints: 1- consider the x-axis to be along the inclined plane. 2- The angle between the gravitational force and the negative y-axis is equal to the angle of inclination) 3. Knowing that the coefficient of kinetic friction is 0.2, deduce the magnitude of the friction force. 4. Calculate the acceleration of the solid.

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 7.50P: The block of weight W is pulled by the force P inclined at the angle to the horizontal. Find the...

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