Energy Example A box of mass 15 kg is released from rest on an inclined surface with a restraining spring unstretched, as shown in Fig.5. The spring constant k-50N/m. Calculate how far down the inclined surface the box will slide before stopping for the first time if i) friction is neglected. ii) the frictional force between the box and the inclined surface is 15N. k = 50N/m www 15 kg 25 Figure 5

Energy Example A box of mass 15 kg is released from rest on an inclined surface with a restraining spring unstretched, as shown in Fig.5. The spring constant k-50N/m. Calculate how far down the inclined surface the box will slide before stopping for the first time if i) friction is neglected. ii) the frictional force between the box and the inclined surface is 15N. k = 50N/m www 15 kg 25 Figure 5

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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