. A 390-kg block is resting on a 29 deg inclined plane with a coefficient of friction = 0.63. Find the required horizontal force P (kN) that is necessary to start the block UP the incline. ROUND OFF TO TWO DECIMAL PLACES.

. A 390-kg block is resting on a 29 deg inclined plane with a coefficient of friction = 0.63. Find the required horizontal force P (kN) that is necessary to start the block UP the incline. ROUND OFF TO TWO DECIMAL PLACES.

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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The system of forces acting on a body tends to either rotate it or make the body undergo motion. In general, when an external agent exerts a force on a body, the body undergoes translational motion and rotational motion. The body has six degrees of freedom under the influence of that force. Here, three degrees of freedom are from the translational motion while the other three are from the rotation motion. However, sometimes the bodies are not allowed to undergo any motion and are fixed, under such conditions the body is said to be constrained.

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5. A 390-kg block is resting on a 29 deg inclined plane with a coefficient of friction = 0.63. Find the required horizontal force P (kN) that is necessary to start the block UP the incline.

ROUND OFF TO TWO DECIMAL PLACES.

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