When a body slides downwards as shown in figure, then the frictional force (Fm) acts in the downwards direction. Also, Frictional force, Fm = H W cos e.MotionIw cos 0w sineNRFigSelect one:O TrueO False

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When a body slides downwards as shown in figure, then the frictional force (F) acts in the downwards direction. Also, Frictional force, F = µ W cos e. Motion Iw cos e w sine Fm NR Fig Select one: O True O False

When a body slides downwards as shown in figure, then the frictional force (F) acts in the downwards direction. Also, Frictional force, F = µ W cos e. Motion Iw cos e w sine Fm NR Fig Select one: O True O False

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 7.78P: The figure shows a steel bar being processed by a rolling mill. Given that P=80kN and r =0.016,...

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Concept explainers

Free Body Diagram

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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When a body slides downwards as shown in figure, then the frictional force (Fm) acts in the downwards direction. Also, Frictional force, Fm = H W cos e.
Motion
Iw cos 0
w sine
NR
Fig
Select one:
O True
O False

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